Express the number in scientific notation.0.000000083402
A. 8.3402 x 108
B. 8.3402 x 10-8
C. 8.3402 x 10-9
D. 8.3402 x 10-7
Answer: B
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn athlete puts a 16-lb shot at an angle of 41° to the horizontal from 5.6 ft above the ground at an initial speed of 39 ft/sec. How far forward does the shot travel before it hits the ground? Round your answer to the nearest tenth.
A. 1.8 ft B. 52.8 ft C. 159.9 ft D. 5.7 ft
Decide whether the equation defines y as a function of x.y = 5x + 3
A. function B. not a function
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Solve.Tickets for the school play cost $5 for students and $8 for adults. On opening night, all 360 seats were filled, and the box office revenues were $2610. How many student and how many adult tickets were sold?
A. 90 adult and 270 student B. 320 adult and 40 student C. 360 student and 0 adult D. 90 student and 270 adult