Find the measure of the indicated angle.Two angles of a triangle are 43° and 106°. Find the third angle.

A. 31°
B. 149°
C. 59°
D. 211°


Answer: A

Mathematics

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Graph the solution set of the system of inequalities.2x + 3y ? 6  x - y ? 3  y ? 2

A.

B.

C.

D.

Mathematics

Solve the inequality graphically, numerically, or symbolically, and express the solution in interval notation. Where appropriate, round to the nearest tenth. > 4

A. (-?, -0.5) ? (1.2, ?) B. (1.2, -0.5) C. (-?, 1.2) ? (-0.5, ?) D. (-0.5, 1.2)

Mathematics

Solve the problem.A dealer who rents appliances wants to increase the monthly rent from the current $60 in n increases of $4. (i) Write a polynomial that gives the new price after n increases of $4. (ii) The revenue is the number of appliances rented times the monthly rent for each appliance. If 100 appliances can be rented at $60 per month and 20 fewer appliances can be rented for each $4 rent increase, write a polynomial that gives the monthly revenue in terms of n.

A. (i) 4n - 60 (ii) -80n2 + 6000 B. (i) 4n + 60 (ii) -80n2 - 800n + 6000 C. (i) 4n - 60 (ii) -80n2  - 800n - 240 D. (i) 4n + 60 (ii) -80n2 + 240

Mathematics

Write as the sum and/or difference of logarithms. Express powers as factors.ln  , x > 7

A. ln 5 + ln x + ln (1 + 6x) - 5ln (x - 7)
B. 5ln x + ln (1 + 6x) - 5ln (x - 7)
C. ln 5 + ln x - 7ln (1 + 6x) - 5ln (x - 7)
D. ln 5 + ln x + ln (1 + 6x) - ln 5 - ln (x - 7)

Mathematics