Solve by factoring.x2- 169 = 0
A. x = 13
B. x = 84.5
C. x = ±14
D. x = ±13
Answer: D
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Simplify the expression. Assume all variables represent nonnegative real numbers. Write the answer in exponential form when necessary.(x-5/4y5/7)1/2
A. x5/8y5/14
B. 
C. x-3/4y17/2
D. -x5/8y5/14
Solve the problem.The formula 
is used in electrical engineering. The variables I, V, and Z are complex quantities. Find V for the given values of I and Z, and express the answer in standard form.
A. 28 + 94i B. 94 - 28i C. 28 - 94i D. 94 + 28i
Solve the problem.Below is a list of the Gonzales family's net monthly income and expenses.Income ExpensesMr. Gonzales = $3478 Mortgage = $934Mrs. Gonzales = $2721 Childcare = $811 Car Payment = $1032.15 Credit Card Payment = $223.17 Utilities = $246 Groceries = $553 Entertainment = $196What is the total percentage of the family income paid toward expenses? Round to the nearest hundredth of a percent.
A. 62.15% B. 68.65% C. 64.45% D. 66.45%
Find an equation of the line with the given properties. Express your answer in slope-intercept form. Graph the lines.Passing through (5, 2) and perpendicular to y = 
x + 4
A. y = 8x - 42
B. y = - 8x + 42
C. y = - 8x - 42
D. y = - 
x - 
