Crystal randomly selects a card from the list and then replaces it. Find:

a. P(two even numbers)

b. P(number less than 4 and a number greater than 4)

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

An angle that measures between 90 and 180° is called a(,

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor