Answer:
125
Step-by-step explanation:
600=150+225+100+X=475+X
600-475=125=X
X=125
Answer:
Step-by-step explanation:
A. (x, y) is not an equation.
B. 2 + 7 = 9 Not a linear equation, as there is no variable.
C. 3x + 5 = 20 This is a linear equation.
D. y = 2x + 1 This is a linear equation.
Answer:
81
Step-by-step explanation:
im cracked
4/5 because 8/10 is equal to 4/5 which is the simplest form<span />
7. the formula for octagon is a=2(1+radical2)s^2
s=4
a=about 77.25
8.