Add or subtract and simplify.(7 + 6i) - (-4 + i)
A. 11 - 5i
B. 11 + 5i
C. -11 - 5i
D. 3 + 7i
Answer: B
Mathematics
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Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy each inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Factor completely.5x2 - 5x - 30
A. 5(x - 2)(x + 3) B. prime C. 5(x + 2)(x - 3) D. (5x + 10)(x - 3)
Mathematics
Solve.Points A and B are on opposite sides of a lake. A point C is 
from A. The measure of angle BAC is 
and the measure of angle ACB is determined to be 35°30'. Find the distance between points A and B (to the nearest meter).
A. 33 m B. 31 m C. 65 m D. 63 m
Mathematics
Solve the problem.Runners in a 30 km race run how many miles? Round to the nearest tenth.
A. 31.8 mi B. 15.0 mi C. 18.6 mi D. 48.3 mi
Mathematics