Amy purchased 17 pencils and 18 pens for a fund-raiser at school and spent $61.50. jocelyn purchased 10 pencils and 21 pens and spent $57. how much does each pencil cost?

For which pair of functions is (gof)(a)=|a|-2?

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.