Solve the equation.13.8 = 2.3c
A. 5
B. 6
C. 11.5
D. 10.5
Answer: B
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Write the phrase as a variable expression. Use x to represent "a number."The total of 138 and a number
A. 138 - x B. 138 C. 138x D. 138 + x
Fill in the ? with the steps needed to solve the equation. -8x + 4 + 7x = 11 ?x + 4 = 11 + ? ? -1x + 0 = 7 -1x = 7 ? ? x = -7
A. -1, -4, -4, -1, -1 B. -1, -4, -4, -7, -7 C. 1, -11, -11, 7, 7 D. -1, -11, -11, -1, -1
Find the x- and y-intercepts of the graph of the equation. y = x2 + 4x + 4
A. x-intercept: 4; y-intercepts: -2, -2 B. x-intercepts: -2, -2; y-intercept: 4 C. x-intercept: 4; y-intercepts: 2, 2 D. x-intercepts: 2, 2; y-intercept: 4
Multiply. Write a mixed numeral for the answer.2
? 4
A. 11
B. 9
C. 8
D. 9