A box of 80 coins, consisting of only nickels and dimes, is worth 7 dollars and 80 cents. Find the number of nickels.

Here are 10 values of a variable x. find the variance using the formula u=x-20 18.9 20.7 19.3 20.1 21.3 19.6 20.5 20.9 18.8 20.8

Mystical drove 154 miles in the morning and 219 miles in the afternoon estimate the total number of miles she drove that day

What is the solution for the equation 4x - 10 = 2x? x =. (Input whole number only

A rectangular room must have a maximum area of 108 square feet and a width of 10 feet. Which of the following inequality statements best represents the maximum area of the room? 10x ≥ 108 10x ≤ 108 10x > 108 10x < 108

What is a value for the variable or an ordered pair that makes an equation true

There is a red, a green, and a yellow bulletin board hanging in the hallway. All of the bulletin boards are rectangular with a height of 4 feet. Their lengths are 6 feet, 5 feet, and 3 feet.

What is the equation of a line that is parallel to y=5/6x-10 and passes through (12, 8) ? Enter your answer in the box.

And earthquake wave travels through 55 km of rock in 25 seconds. Write a equation to represent the relationship between t, the number of seconds, and d, the total distance the wave travels.

2. The number of students in a classroom is 6 more than 4 times the number of teachers. There are 15 teachers. How many students are there?

Is the quotient 3.6 dividend 9 greater then or less than 1 exmplain to a friend