One family spent $2,000 to start an online business selling goods. they now make $1,240,000 each year. if they made a one-time investment of half of their yearly earnings in a savings account earning 4% simple interest, how much would the account have in it at the end of 5 years

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin