Solve and check.-15 + x = -2
A. 17
B. -17
C. 13
D. -13
Answer: C
Mathematics
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Choose the polar equation that matches the graph.
A. r = cos 2? + cos2 2? B. r = sin 2? + sin2 2? C. r2 = sin 2? + sin2 2? D. r2 = cos 2? + cos2 2?
Mathematics
Determine whether the following is an expression or an equation.2n3 - 9n
A. Expression B. Equation
Mathematics
Find the product and simplify.
? 
A. 28
B. 56
C. 98
D. 28
Mathematics
Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)(a-1)-5
A. a4
B. 
C. 
D. a5
Mathematics