contestada

What is the simplified form of the expression 7[63÷(5^2-2^2)-1]?

A. 10
B. 42
C. 14
D. 350

Which is a solution of the equation y=4x+3?

A. (5,17)
B. (17,5)
C. (4,19)
D. (4,16)

Respuesta :

What is the simplified form of the expression 7[63÷(5^2-2^2)-1]?

7[63÷(5^2-2^2)-1]
= 7[63÷(25-4)-1]
= 7[63÷(21)-1]
= 7[3-1]
= 7 (2)
= 14

answer is C. 14

Which is a solution of the equation y=4x+3?

answer is 
C. (4,19)

y=4x + 3
19 = 4(4) +3
19 = 16 +3
19 = 19

Answer:

They'd both be C.

Step-by-step explanation: