Which statement show equivalent expressions? PLEASE HELP ME ASAP
A 5(x−2)=5x−3
B 3(x+6)+x=4x+9
C 8(2x+3)=16x+24
D 4(5x+2)−6=20x+14

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

I’m confused on how to work the pie charts