Algebra Answers

State how many imaginary and real zeros the function has.

f(x) = x3 - 20x2 + 123x - 216

Sara owns a bakery. She sells birthday cakes and needs to know how many cakes are to be sold each week to make the cost and labor even. By graphing she can easily and quickly tell if she is even, above or below. If Sara sells each cake costs $20 to make and she pays $32 for labor, how many cakes does Sara need to sell at $35?

I need and equation, to solve the equation, and I have to graph it

What percent of 29 is 3 round to the nearest tenth or tenth of a percent

Given the quadratic function y+ax²+bx+c, the maximum value is a²+4 at x=1, and the graph passes through point(3, 1). Find the values of the constants a, b and c.

x-4/x^2-9x+20

x+y=2
2y+5z=7
3x-2z=1

show that if y=?(1-x)z, then 1-y=(1-x)(1-z) +x

3−12/3-2-8/15 Pls I need that question answer with full details .

If three times, the larger of the two numbers is divided by the smaller one, we get 4 as quotient and 3 as remainder. Also, if seven times the smaller number is divided by the larger one, we get 5 as quotient and 1 as remainder. Find the numbers.

If one number is thrice the other and their sum is 16, find the numbers.