You buy 75 candy bars at a cost of $0.49 each. what is the total cost of 75 candy bars ? use mental math

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

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