30 students in class 1/5 absent how many students were in class

An apple grower finds that if he plants 80 trees per acre, each tree will yield 26 bushels of fruit. He estimates that for each additional tree planted per acre, the yield of each tree will decrease by 4 bushels. Given a price of $1.

Which expression represents the phrase? "A number y increased by 8, and then tripled." A) 3y + 8 B) 3y - 8 C) 3 (y + 8) D) 3 (8 - y)

True or false. the segments shown below could form a triangle. 9,9,1

What us the value of (-7+3i) - (2-6i) a. - 9+9i b.-9-3 c.-5-3i d.-5+9i

F (x) = x^2-3 domain and range

Which situation results in a final value of zero? a. The temperature after a decrease of 5 degrees from a temperature of - 5 degrees. b. The height of an airplane after taking off from ground level and rising 1,000 feet. c.

From the yearbook receipts the students council deposited apart of the $1200 in a saving account receiving 9% interest per annum, and the rest in a chequing account receiving 4% per annum.

What is the axis of symmetry of h (x) = 5x^2+40x+64

Nvm I got it figured out.

Monique bought 3 1/2 pounds of hamburgers for $14. What was the cost per pound?