Vivian bought 8 books. She gave the cashier $120 and received $z change. Express the cost of 1 bottle of cooking oil in terms of z

Simplify: 10n - 6n + 13 + 2n

Vivian bought 4 candles. She gave the cashier $15 and received $m change Express the cost of 1 lollipop in terms of m.

Simplify: 3k + 3l + 3k - 3l - 3k + 3 - 3k

Simplify: 7s + 15t - 7t + 4s - 8t

Lila has $10. She buys 8 postcards at $m each How much does Lila have left in terms of m?

Evaluate the following expression using m=40: (100-m)/6=

Evaluate the following expression using b=10: 100-8b

Alice has some marbles. He puts x marbles in a bag. There are 6 bags and 2 extra marbles in total Express the total number of marbles in terms of x

Simplify: 2g + 15 + 8g - 10 + h

Simplify: 15b + 18c + 6c - 5 - 12b

Simplify: 6p + 12q -3q + 3p

Simplify: 3x + 8 + 4x