blake bought 6 light bulbs that contained 8 light bulbs each. he then used 14 of the light bulbs for his science project. how many of them are left?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?