Evaluate the expression for other given values of the variables.-7x + 9y + 6z for x = -2, y = 3, and z = -4
A. 43
B. -4
C. -63
D. 17
Answer: D
Mathematics
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Translate to a variable expression. Use n for the variable unless otherwise stated.k added to two
A. k + 2 B. k ÷ 2 C. k - 2 D. 2k
Mathematics
Solve the equation.
- 15 = 
A. 0 B. 45 C. all real numbers D. no solution
Mathematics
Find the LCM of the set of numbers.20, 50
A. 50 B. 1000 C. 100 D. 70
Mathematics
The graph of a certain function y = f(x) and the zero of that function is given. Using this graph, find a) the x-intercept of the graph of y = f(x) and b) the solution to the equation f(x) = 0.
A. a. 5.5 b. x = 0 B. a. 0 b. x = 5.5 C. a. 5 b. x = 5 D. a. 5.5 b. x = 5.5
Mathematics