Aright triangle has legs that measure 4 centimeters and 9 centimeters. what is the length of the hypotenuse in centimeters?

Carl wants to buy a television that cost $500 including taxes. to pay for television he will use a payment plan that requires him to make a down payment of $125 and then pay $70.50 each month for six months what is the percent increase from the original cast of the television to the cost of the television using a payment plan.

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion