Cheryl has twice as many nickels as quarters and five more dimes than nickels. If the combined value of the coins is $1.60, then how many coins of each type
does she have?
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Which of the following statements is not true? a. parallel lines are lines in the same plane that never intersect. b. congruent figures have the same shape and same size angles and sides. c. similar figures must have the same shape and the same size. d. a rotation is when you turn a figure around a certain point.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.