Algebra Answers

I need help with my algebra but it is a picture so I would have to upload a file. Can i do that?

The top of the building is considered as 0 distance. A ball thrown up rose 48 meters before it started falling. What signed number can represent its position after it has dropped by 68 meters

How can I prove that any perfect square divided by 4 gives remainders 1 and 0 only?

The profit of a company can be modelled by the polynomial function p(t)= -t^3 +12t^2 -21t +10 , where p is the profit, in thousands of dollars and t is the time, in years. When will the company make their maximum profit of $108000?

Antonina needs to have worked at least 90 volunteer hours to graduate. She has already volunteered with a housing organization over the summer for 52 hours. Antonina needs to tutor after school for 3 hours per week to complete the remainder of her volunteer hours. If w is the number of weeks that Antonina needs to tutor in order to complete her volunteer hours, which of the following inequalities best models the situation described above?

An ongoing promotion at a department store gives customers 20 percent off the portion of their bill that is over $100. Ruby's total bill at the department store after the promotion has been applied is $250. If x represents the amount of money Ruby would have spent on the same purchase at the department store without the promotion, which of the following equations best models the situation?

Determine the value of a and b in the following
(x^2+x-2) is a factor of 3x^3-x^2+ax+b

take three different phones . find their length and width . write the fraction to their width to length . compare these fractions.

Share £48 between Alan and Barbara in the ratio 2:1

Select the option for "?" that continues the pattern in each question.
58
3, -6, 12, 4, 20, ?

13
14
6
16