Add or subtract these expressions. Show your work.

1. (13x+1) + (2x-6)

2. (-12x+8) - (2x-8)

Solve each single step equation. Show your work.

3.-15+n=-9

4. v/8=2

Katriana and Andrew started the day with the same amount of money. Katriana spent $5 on lunch. Andrew spent $3 on lunch and $2 on a snack after school. Do Katriana and Andrew have the same amount of money left?

Kathy counts 9 goats and sheep at the petting zoo. Her brother counts 4 goats. Write 2 ways you can find how many sheep there are.

Estimate 94+28 by first rounding each number to the nearest ten.

How do you figure the probability of an event occurring?

A business man mixed high quality sugar costing 10 shillings with low quality sugar costing 8 shillings per kg in the ratio 3:5 by which he sold the mixture at 9.80 shillings per kg. What was his percentage profit?

Garys cat ate 3/5 of a bag of cat treats in september and 1/5 of the same bag of cat treats in october. what part of the bag of cat treats did garys cat eat in both months?

The equation P = 0.0089t2 + 1.1149t + 78.4491 models the United States population, P, in millions since 1900. If t represents the number of years after 1900, then what is the estimated population in 2025 to the nearest tenth of a million? (1) 217.

For her job gloria makes 12.00 an hour but spends. 50 each day traveling to and from. work if her net income from yesterday was 71.50 how many hours did gloria work

You roll a six sided die and pull a card from a standard deck of 52 cards what is the probability that you roll a five and draw a heart

Dimitri earns $4.50 for each box of fruit picked a) how much does he make for picking 20 boxes? b) how much boxes must he pick to earn at least $150? c) if he takes 4 hours to pick 12 boxes what is his hourly rate of pay?