Answer:
7
Step-by-step explanation:
the sign means square root
to find the answer find a number multiplied by itself to get 49
the square root of 49 is 7 since 7 x 7 = 49
9x -2
(7x + 3) + (4x - 1) - (2x + 4)
Distribute the minus sign
(7x + 3) + (4x - 1) - 2x - 4
Combine like terms
7x+4x-2x +3 -1-4
C- $170.50
-2
$9.50 = .25x
38 quarters
