4 times 29=116 and are you a boy or not a boy
Answer:
x = -1
Step-by-step explanation:
9x + 8 = -1
Subtract 8 from each side
9x + 8-8 = -1-8
9x = -9
Divide each side by 9
9x/9 = -9/9
x = -1
Answer:
16
Step-by-step explanation:
(2(t3+0.5))=16(2t3+t1)
Answer:

Step-by-step explanation:
I think the answer choices were supposed to be:

Pythagorean Theorem: a²+b²=c²
5²+b²=8²
25+b²=64
<em>Subtract 25 from both sides</em>
b²=39
<em>Square root both sides</em>
b=
Our answer is 
a) C = 40 + 30t
b) 280 = 40 + 30t
30t = 240
t = 8
The plumber worked 8 hours