Pleas help asap i am timed A circle with diameter of StartFraction 7 over 2 EndFraction centimeters.

The radius is
cm.
3
7/4
7/2
7
The circumference in terms of π is
π cm.
7
7/4
7/2
14
Using 3.14 for π, the approximate circumference of the circle is
cm.
7.0
11.0
22.0
21.0

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints