The length of a rectangle is 4 less than 3 times it's width. The perimeter is 72 ft. find the dimensions of the rectangle. Equation:

Solution:

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Match each function with its rate of growth or decay

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m