Multiply.
? 4 ? 
A. 13
B. 
C. 288
D. 
Answer: C
Mathematics
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Solve the problem.Place the numbers 4, 5, 6, 7 and 9 in the circles to make the sum across and vertically equal to 20. 
A. 
B. 
C. 
D. 
Mathematics
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find cos (? - ?).
A. 
B. 
C. 
D. 
Mathematics
Write an equivalent numerical expression and evaluate.8 added to the sum of -15 and 12
A. 8 + [(-15) + 12]; 5 B. 8 + 12 - 15; 19 C. -8 - 15 - 12; -35 D. 8 + 15 + 12; 35
Mathematics
Classify the polynomial by the number of terms. Then identify the degree of the polynomial.-6y5 + 2y4 - 5
A. Trinomial of degree 5 B. Binomial of degree 5 C. Trinomial of degree 10 D. Trinomial of degree 9
Mathematics