The vertical motion of a seat on a ferris wheel can be described by the equation
y
=
25
cos
(
π
t
3
)
+
26
. what is the diameter of the wheel in feet?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25