A hot air balloon is at an altitude of 240 feet. The balloon descends 30 feet per minute. What equation gives the altitude y, in feet, of the hot air balloon after 3 minutes?

Solomon buys soda at a store that charges $1.50 per soda. Esther buys soda at a different store. The table shown here gives the cost when she buys 7, 8, and 9 sodas. Is soda more expensive at Solomon's store or Esther's store?

EBRA FION Consider the quadratic equation x2 = 4x - 5. How many solutions does the equation have?

7.5 (3x + 4), when x = 7

3. Cornelia spends 2 2/3 hours studying for her big science test. She spent 2/3 of an hour finishing her writing assignment and 1/4 of an hour playing outside. How much time did she spend overall on the three activities?

Through : (1,2), prep. to y = - 1/6x - 3

Radius of a circle is 6.35m. What is the area

Solve for x and y 1.45 x + 1.55y = 20 and x + y = 29.80

If Practice Makes Perfect, And Nobody's Perfect. Why Practice?

Earning $12.00 an hour; working 80 hours in 2 weeks. What is your pay?

if the minimum wage in 2017 was $13.15 and in 2018 it is $14.45, what percent did minimum wage increase