Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the algebraic expression by removing parentheses and brackets.(8y + 9) - (3y - 1)
A. 5y - 10 B. 5y + 10 C. 5y + 8 D. 11y + 10
Mathematics
Determine whether the given linear equations are parallel, perpendicular, or neither.-48x - 6y = 3-8x - y = 10
A. parallel B. perpendicular C. neither
Mathematics
Solve the problem.The temperature at the South pole was 7° at 8 am. At 3 pm, it was -46°. By how many degrees did the temperature drop?
A. by 53° B. by -39° C. by -53° D. by 39°
Mathematics
Evaluate the polynomial.b2 - 4ac for a = 5, b = -2 and c = 2
A. -46 B. -42 C. -36 D. -32
Mathematics