brittanyali123
contestada

I need help with three math (algebra) problems?

1. which expression has a value of 66
A) (7^2 - 8) × 2 - 16
B) 7^2 - 8 × (2 - 16)
C) 7^( - 8 × 2) - 16
D) 7^2 - 8 × 2 - 16

2. What is the value of the expression
2( a + b)2 - b) when a = 7 and b =1 ?

A) 14
B) 49
C) 126
D)127

4) what is the value of the expression
8 - (2^2 + 48) ÷ 8
A) -6
B) -1
C) 1
D) 6

Respuesta :

apologiabiology
1.
A. (49-8)*2-16, 41*2-16, 82-16, 66, yep
B. 49-8*-14, 49+112, 161, nope
C. 7^(-16)-16, (1/(7^16))-16, nope
D. 49-16-16, 17, nope

A is answer


2.
2((a+b)²-b)
2((7+1)²-1)
2((8)²-1)
2(64-1)
2(63)
126
C is answer


4.
none of the options give the answer

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