Algebra Answers

What is the common factor of 42 and 84

1=-20 log k value of k

You require 20 gel-ink pens. STORE XXX sells these pens at R 9.50 each, while store YYY sells them at
R 10.00 each, but have a 6% sale on all items. Further, store WWW sells these pens at R 19.00 each with a buy one get one free special. Finally, store MMM sells the pens at R 14.50 each with a third off the total price.

Which store offers the best deal? Show all calculations

1/4 x+ 3/8 y= -1
x+y=0

3p+2q=5
q-p=5

the total cost of two calculators and four math sets is R440.00. If a calculator costs R40 more than a math set, what is the cos of each?

6/15d+9/30d-1/6d=d+1.5-2/12d

what is 5 plus 3?
so show your work for an right grade

4/9(3s-6v)^2

Simplify (5z-4y+3z)(8z-7y+11y)