Step-by-step explanation:
3x+6=18
3x=18-6
3x=12
x=4
Answer:
n = -7,6
Step-by-step explanation:
n(n+1)+3=45
distributive property: a(b+c) = ab+ac
n²+n+3 = 45
n²+n -42 = 0
factor now
(n+7)(n-6) = 0
n = -7,6
Answer:
D
Step-by-step explanation:
the pattern is -6 to get the next number
B. 84
The scale factor is 1/12 which means to get back to the actual height, you would multiply 7x12
Answer:
x = 7
Step-by-step explanation:
