Answer: Choice C.
and Choice E. 
Step-by-step explanation:
Algebraic exponents.
3 x 15 = 45
3 x 14 = 42
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There are 14 packages.
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x = 42/3
-----> 3x=42
Answer: Mark brainliest if satisfied
m<B=72 degrees
m<C= 36 degrees
Step-by-step explanation:
m<B is congruent to m<A
72 times 2 equals 144
180 minus 144 equals 36
Step-by-step explanation:
obtuse angle is an angle whose measure is more than 90 degree but less than 180 degree..
So,
170°
4.
A non function is when xs repeat… the x is repeat which is 5