Find the measure of the indicated angle.Two angles of a triangle are 20° and 30°. Find the third angle.
A. 130°
B. 310°
C. 220°
D. 50°
Answer: A
Mathematics
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Solve.The long jump record, in feet, at a particular school can be modeled by 
where x is the number of years since the school was opened. What is the record for the long jump 
after the school opened? Round the answer to the nearest tenth.
A. 26.4 ft B. 22.8 ft C. 26.2 ft D. 26.6 ft
Mathematics
Provide an appropriate response.Why does a quadratic function never have an inverse?
What will be an ideal response?
Mathematics
Factor the trinomial by grouping, or state that the trinomial is prime.7x2 - 15xy - 18y2
A. prime B. y(7x + 6)(x - 3) C. (7x + 6y)(x - 3y) D. (7x + 3y)(x - 6y)
Mathematics
Convert the radian measure to degrees. Round to the nearest hundredth if necessary.3
A. 343.78° B. 172.29° C. 343.38° D. 171.89°
Mathematics