What is the value of s?

s = 53.3

Step-by-step explanation:

The square shows that the angle is 90 degrees, and is a shared angle. Therefore, the angles together make 90.

So, to get the unknown angle, you subtract the other angle by 90.

36.7 - 36.7 = 53.3

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.

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58