What are all the subsets of the set?

{-8,4}

A. Ø, {-8}, {4}

B. {-8}, {4}, {-8,4}

C. {-8}, {4}

D. Ø, {-8}, {4}, {-8,4}

Consultant A charges 160$ for the first hour and $75 per hour after the first. Consultant B charges a flat rate of $90 per hour. Consultant C charges $140 for the first hour and $80 per hour after the first.

Divide. write in smplest form 1 4/9:1/3

if you have a ratio of 1:5 for lemonade, you put 15 cups of water, what is the ratio of how many cups of lemon juice is in there?

Solve for x 7 + 4/7 (21+3x) = 43

Ji Sunn spent $24 at the local farmer's market. She bought apples that cost $4 per pound and raspberries that cost $6 per pound. Which equation can be used to represent the amount of raspberries, r, in terms of apples, a?

Question 6 (multiple choice) Janine and Wesley sell office chairs. Janine earns a base salary of $2800 a month, plus $100 for each chair she sells. Wesley earns a base salary of $2400 a month, plus $125 for each chair he sells.

How do you figure out whether a fraction will be a terminating decimal or a repeating decimal?

Why is the constant of proportionality a useful concept?

10 to the 37th power

A footbridge is 5 feet wide and is built with wood planks that are 6 inches wide. How many planks wide is the path?