Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use special right triangles to evaluate the expression.sec 60°
A. 
B. 
C. 2
D. 
Mathematics
Solve.Sand is poured carefully into a pile that forms a right circular cone as shown. The total surface area of the cone with slant height s and base radius r is given by the polynomial ?r2 + ?rs. Find an equivalent expression by factoring out a common factor.
A. ?r(?r + s) B. ?r(r + s) C. r(?r2 + ?s) D. ?rs(r + 1)
Mathematics
Determine the magnitude of v.
A. 4
B. 4
C. 80
D. 80
Mathematics
Solve the problem.Sales at Andrea's Formal Wear Shop were 
this week. This is 
less than the sales last week. What were last week's sales?
A. $872 B. $861 C. $850 D. $627
Mathematics