20+20+20+20+20+20+20+9893-2839283+9 3749-93+8366754439=???

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

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students