1. aparticular real-life situation yielded the following system:

y = 4x + 3

y = -x - 2

which of the following points is the solution to this system?

a. ( -1,1)

b. (1, 7)

c. (1, -3)

d. (-1, -1)

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary