Find the measure of ?x in the triangle.

A. 122°
B. 48°
C. 58°
D. 88°


Answer: C

Mathematics

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Solve the problem.A college student earned $8200 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at  and the rest at  If the student received a total of $694 in interest at the end of the year, how much was invested at 

A. $4000 B. $4100 C. $1171 D. $4200

Mathematics

Add.+ 

A. 267.176 B. 267.076 C. 267.186 D. 267.086

Mathematics

Solve the problem.What is the coefficient of x7y7 in the expansion of (x + y)14?

A. 2,471,040 B. 7 C. 17,297,280 D. 3432

Mathematics

 Evaluate the function requested. Write your answer as a fraction in lowest terms.Find cos B.

A. cos B = 
B. cos B = 
C. cos B = 
D. cos B = 

Mathematics