Solve the equation. x^2 − 6x − 7 = 0
a) x = 7
b) x = 1
c) x = 1 or x = −7
d) x = −1 or x = 7

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.