Mrs. kennedy is buying pencils for each of 315 students iat hamilton elematery. the pencils are sold in box of tens. how can she use rounding to decide how many pencils to buy. write to explain

The sum of three numbers is 130. The third number is 3 times the first

On a road map the distance from new york city to albany is 3 inches. The map scale is 1 in. : 50 mil. How may miles is the actual distance between the two cities?

The length of a rectangle is 8 ft less than three times the width, and the area of the rectangle is 35 ft. Find the dimensions of the rectangle.

In 15 minutes, Lena can finish 2 math problems. At that rate, how many math problems can she finish in 75 minutes

How many kg in 1.000g? How many grams in 4kg?

Is 4x-3=2x+13 a true statement?

Let set A = {1, 3, 5, 7} and set B = {1, 2, 3, 4, 5, 6, 7, 8}. Which notation shows the relationship between set A and set B? A ∪ B A ⊆ B A ∩ B B ⊆ A

14 is what percent of 92

What is the domain of the function f (x) = 3|x + 4| + 1? all real numbers all real numbers less than or equal to - 4 all real numbers greater than or equal to 1 all real numbers greater than or equal to - 4

A cylinder has a radius of 40 ft and a height of 17 ft. What is the exact surface area of the cylinder? 1360π ft2 3200π ft2 4560π ft2 680π ft2