The length of a rectangle is twice it width. The perimeter of the rectangle is 36cm. Calculate the area of the circle.

A total of 50 juniors and seniors were given a mathematics test. The 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. What was the average score for all 50 students who took the test?

Work out the circumference of this circle. Take a to be 3.142 and give your answer to 1 decimal place the radius is 11.2

The supermarket near our school sells green paper shamrocks to raise money for childrens hospital. the sharmrocks cos $1.36 each, the goal is to raise $4,500 shamrocks. the supermarket sold $5,335 shamrocks and donated 92% to the hospital.

There are 15 puppies in a photograph, and 11 of them have their eyes open. How many puppies have their eyes closed? 11 - c = 15 c - 11 = 15 15 + c = 11 11 + c = 15

Amount sugar in a candy bar decreased by 6.7% to 3.2 grams how much sugar wascin the candy before the decrease?

With a tank of gas, if you can drive 475 miles, your car uses 12 miles per gallon. Write an equation to model this situation

Is the normal distribution curve is also called the bell curve? True or False

What is 28% of 170 A. 46.8 B. 44.8 C. 4.76 D. 47.6

Which ordered triple is a solution of this system? 2x + y - z = 7 -x - 2y + 4z = - 15 x + 2y - 5z = 17 a) (3, 1, 0) b) (1, 3, - 2) c) (2, 5, 2) d) (-2, 6, - 5)

Use properties of exponents to write an equivalent expression for 5 exponent 4 * 5 exponent - 7