Solve this using the substitution method please!! Y=425x+1139/Y=495x

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.