$200 for 12 piano lessons

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side