Find the reference angle for a rotation of 286º.

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

answer4 to the second power is 16

and 4 to the third power is 64,