What is the center and radius of a circle with equation (x+2)² + (y – 8)² = 16 ?

radius:

center:

question 3 options:

radius 4; center (2,-8)

radius 4; center (-2,8)

radius 16; center (2,-8)

radius 16; center (-2,8)

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?