Answer:
x=12 pls give brainliest
Step-by-step explanation:
Answer:
a) -3
b) 117
c) 100
Step-by-step explanation:
(a) 2(1)²-5(1)
1²= 1
2×1= 2
2-5= -3
(b) 2(9)²-5(9)
9²= 81
81×2= 162
162-45= 117
(c) 2(4)²-5(4) +2(8)²-5(4)
4²=16
16×2= 32
32-20= 12
8²=64
64×2= 128
128-40= 88
88+12= 100
hope it helps!
9: B right
10: C obtuse
11: B right
12: B right
I hope they are right! Sorry if they are not!
Answer:
$62.42
Step-by-step explanation:
1st step: Simplify the numbers first
$24.99 -------> 25
$12.99 ---------> 13
$4.49 ----------> 4
$19.95 ---------> 20
25+13+4+20= 62
cents from simplified version: 42 cents are added to the final number
$0.42+ $62.00 = $62.42
Total Cost: The four athletic items will cost $62.42 in total.
Hope this helps!!!