x? = ?y, y? = ?4x ? 3y
Solve the first-order linear system.
Mathematics
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Solve the problem.Solve the formula A = 
bh for h
A. h = 
B. h = 
C. h = 
D. h = 
Mathematics
Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Mathematics
Use the absolute value to express the distance between the points with coordinates a and b on the number line. Then determine this distance by evaluating the absolute value expression.a = 
and b = 
A. 
= - 
B. 
= - 
C. 
= 
D. 
= 
Mathematics
Perform the indicated operation and simplify if possible.(3x + 8)2
A. 9x2 + 64 B. 9x2 - 64 C. 9x2 + 48x - 64 D. 9x2 + 48x + 64
Mathematics