Find the least common denominator for these two rational expressions. 3/2n - 2/5n

Is - 22.3 rational or irrational

The speed of light is 299,792.458. Which of the following would be a reasonable estimate for the speed of light?

Let yequals[Start 3 By 1 Matrix 1st Row 1st Column 3 2nd Row 1st Column negative 7 3rd Row 1st Column 3 EndMatrix ] , Bold u 1equals[Start 3 By 1 Matrix 1st Row 1st Column negative 3 2nd Row 1st Column negative 5 3rd Row 1st Column 1 EndMatrix ] ,

What is the slope of the following equation? y = 1/3x + 4

There are 10 vehicles in a parking lot: 3 SUVs and 7 trucks. What is the probability that of any 7 randomly chosen vehicles, exactly 1 is an SUV?

Select the correct answer. You want to buy an item that costs $100. Which of these is the most cost-effective choice for buying the item?

Find the area of a circle from the given diameter d = 14 meters

If I was paying 875. now I pay 955. how much more am I paying

A belt and a wallet cost $42, while seven belts and four wallets cost $213. A) how much do four belts and four wallets cost? B) how much do three belts cost?

Qasim and Alejandra both earn $15 an hour at their job. This week Alejandra worked three hours more than Qasim. If h represents the number of hours Qasim worked, and in total they earned $195, how many hours did each person work?