I’m pretty sure it is C? But I’m not 100% sure
4x+30=90
4x = 60
x = 15
answer is B. 15
Answer:
square with (-2,4) and (3,-1) vertices
Answer:
3x+y=-31
Step-by-step explanation:

Slope of perpendicular line is -3.

Sub in the point (10, -1)

Answer:
Step-by-step explanation:
Its like doing a long division with base 10 numbers:
1110 <----------- Quotient
101)1001010
101
1000
101
111
101
100
So the answer is 1110 remainder 100.
We can confirm this by converting to decimal numbers
1001010 = 74 and 101 = 5.
74 / 5 = 14 remainder 4.