Divide 5 by 4. is your answer a rational number? explain.

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax