-12(x + 6.2) = 60 what does x equal

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.