In right triangle ABC, A
B
C
,
∠B
∠
B
is a right angle and AB=72,
A
B
=
72
,
BC=65,
B
C
=
65
,
and AC=97.
A
C
=
97
.

Right triangle A B C with measures as described.

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What is the ratio of sinC?
sin
⁡
C
?

Enter your answer as the fraction, in simplest terms, like this: 42/53

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Precalculus question, image attached.

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)