A square has four 90° angles. So:
15x-30=90 add 30 to both sides
15x=120 divide both sides by 15
x=8°
Answer:
answer would be b) y = -7x -9
Step-by-step explanation:
Answer:
yes there is a linear correlation
reason : a increase of 1 hour results in an increase of 3 height
y= 3x + 4
it has a positive slope of 3 ,and y intercept of 4
Step-by-step explanation:
Answer:
A. 38
Step-by-step explanation:
180- 114 = 66
66 + 2x + x = 180
66 + 3x = 180
-66 -66
3x = 114
— —-
3 3
x = 38
