2x + (x+3) = 15.6 what is x equal to

What is 12.12.64 - 7.3?

A store is having a sale where all jeans are 1/4 off the regular price. Find the constant of proportionality. how much a pair of jeans $29?

Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the number x ot hardcover books and the number y of paperback books he can buy?

What is 3x10+2x1+6x100+4x1000

What is the greatest common factor of the terms in the polynomial 8x4 - 4x3 - 18x2? 2x 2x2 4x 4x2

Pete is jumping rope. He does 38 50 22 and 29 jumps. How many jumps does he do in all? Circle the correct answer. Jess chose a this is wrong how did jess get her answer

The regular price of a space invader game is 52, but its on sale. the discount is $13 What percent discount is this?

What is a-5-b a=10 b=4

Round to the nearest whole number 99.59

A salesman earns $3000.00 per week plus a 5% commission on all sales over $8000.00. one week his sales amounted to $15,000.00. What were his earnings that week?