What is the simplified form of the expression 7[63÷(5^2-2^2)-1]?
A10
B42
C14
D350
Which is a solution of the equation y=4x+3?
A(5,17)
B(17,5)
C(4,19)
D(4,16)
A10
B42
C14
D350
A(5,17)
B(17,5)
C(4,19)
D(4,16)