Estimate the value of the expression by rounding each number to the given place value. 68 – 29; tens a. 30 b. 35 c. 40 d. 50

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

What is the anwers for 9+2x=5x-3-x

What is the circumference of a circle with an area of 50.24 cm²?