London and hailey sold 50 cakes for spending money. together they earned $8.50 for each cake. Each received after total earning. London spent $8.35 On lunch. What was the total amount she had left, In dollars and cents, From the money she earned?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)