Solve the problem.A bike road race starts at an elevation of 940 feet and passes through 5 stages where the elevation changes by -401 feet, -32 feet, 188 feet, 174 feet, and -289 feet. At what elevation does the race end?
A. 1258 feet
B. 2024 feet
C. 580 feet
D. -2024 feet
Answer: C
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Factor the perfect square trinomial.9x2 + 30x + 25
A. (3x + 5)2 B. (3x - 5)2 C. (3x - 6)2 D. (3x + 5)(3x - 5)
Solve the problem.The height of a triangle is 4 times the length of the base. The area of the triangle is 98 square meters. Find the height and base of the triangle. 
A. base = 28 m, height = 56 m
B. base = 7 m, height = 28 m
C. base = 
m, height = 56 m
D. base = 
m, height = 14
m
Find two sets of parametric equations for the given rectangular equation.y = 9x + 7
A. x = t, y = 9t + 7; -? < t < ?
x = 
, y = t + 7; -? < t < ?
B. x = 9t, y = t + 7; -? < t < ?
x = 
, y = t + 7; -? < t < ?
C. x = t, y = 9t + 7; -? < t < ?
x = 9t, y = t + 7; -? < t < ?
D. x = t, y = 9t + 7; -? < t < ?
x = t, y = 
+ 7; -? < t < ?
If a set of polygons forms a tessellation in the plane, then
(a) they cover the plane with no gaps. (b) they are all congruent polygons. (c) none of the regions overlap. (d) Both (a ) and (c) are correct. (e) Both (a ) and (b) are correct.