In aabc, if sin a=4/5 and tan a=4/3
then what is cos a?

a. 3/5

b.4/5

c.3/4

d.5/3

Nine more than four times a number is the same as one less than twice the number. find the number?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.