Solve.7x + 10 = 52

A. 2
B. 6
C. 39
D. 35


Answer: B

Mathematics

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Solve the problem.Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was . The cost of a child's ticket was  less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.

A. adult's ticket: $21; child's ticket: $16 B. adult's ticket: $24; child's ticket: $19 C. adult's ticket: $23; child's ticket: $18 D. adult's ticket: $22; child's ticket: $17

Mathematics

Provide an appropriate response.Two surveyors are working together to determine the width of a lake using a large pine tree as a reference point on the opposite shore. The distance between the two surveyors is 279.0 meters, and the measurement of angle A is 32°. Round distances to the nearest tenth. What is the measurement of angle B?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.The charges for renting a moving van are $55 for the first 30 miles and $7 for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 87 miles. (ii) Find a symbolic representation for a function f that computes the cost of driving the van x miles, where  (Hint: express f as a piecewise-constant function.)

A. $454;
f(x) = 
B. $5184;
f(x) = 
C. $874;
f(x) = 

Mathematics

Solve the system graphically.y = 2x + 3y = -3x - 7

A. (-2, 0) B. (2, 1) C. (-2, 1) D. (-2, -1)

Mathematics