Rocky gets on the ride at a. the ride starts and then stops when his car is at b

30°.

Step-by-step explanation:

We know that a circle is 360°. There are 12 equal sized segments in the circle, and Rocky rides along one segment. So then you would divide 360° by 12 to get the measure of the angle, which is 30°.

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)