Answer:
He has the side lengths in the wrong place in the cosine ratio. (1st Answer on Edgen)
Step-by-step explanation:
Answer: D
Step-by-step explanation:
It is a linear function and the slope is negative and the y intercept is negative.
Answer:
120 nails.
Step-by-step explanation:
80 x 1.5 = 120.
80 x 1 = 80
80 x 0.5 = 40
80 + 40 = 120
Answer: 30y - 25b +5
Step-by-step explanation:
(look at attachment image fir explanation)
Answer: quadratic
Constant term -6
Quadratic term -18x^2
Linear term -21x
Step-by-step explanation:
(3x+2)(-6x-3)=-18x^2-21x-6