Find the product.3(5x + 3)
A. 15x + 3
B. 5x + 9
C. 3x + 9
D. 15x + 9
Answer: D
Mathematics
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Find the sum.Find the sum of the first 30 terms of the arithmetic sequence: 7, 14, 21, 28, . . .
A. 3360 B. 217 C. 3265 D. 3255
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
Graph the system of inequalities. Indicate the solution by shading.2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, write "prime."60x6 + 39x4 + 6x2
A. 3(4x4 + 1)(5x2 + 2) B. 3x2(4x2 + 1)(5x2 + 2) C. (12x3 + 3)(5x3 + 2) D. 3x2(5x2 - 2)(4x2 - 1)
Mathematics