In a certain clothing store, 6 shirts and 3 ties cost $79.50, and 3 shirts and 2 ties cost $41. determine the cost of each tie.

a) $2.50
b) $3.50
c) $4.50

2-digit numbers less than 91 which are 1 less than a multiple of 10

Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles