hector is five years less than double mary's age. Mary is 12 years old. how many years old is Hector?

Solve using linear combination x-y=-7 x+y=7 A. (-7,0) B. (7,0) C. (0,7) D. (0,-7)

What is the approximate perimeter of the octagon? Round to the nearest whole number. mm What is the approximate length of one side of the octagon? Round to the nearest whole number. mm

Why is graphing not always the best option for solving systems?

Sam deposited $4400 in a savings account earning 6% compounded monthly. If she makes no other deposits or withdrawals, how much will she have in her account in two years? Group of answer choices $4959.50 $4928.00 $9342.76 $9328.00

A test consists of 30 problems and students are told to answer any 10 of these questions. In how many different ways can they choose the 10 questions?

A ticket agency charges a 9.5% fee on all tickets sold. If a ticket costs $40, what is the fee?

Inventory for a company is taken hourly from 10 to 4:00. At the start of the day, the warehouse had 65 boxes. Between 10 and 11, 7 boxes were shipped. From 11 to noon, 5 were sent, and another 9 between noon and 1 p. m.

The area of a Square family room is 100 square meters how long is each side of the family room

The length of a rectangle field is 24 meters. This is 3 meters less than twice the width. Find the width.

A personal pan 8 inch pizza is cut into 5 equal slices. What is the area of 1 slice of pizza to the nearest square in? Use 3.14 for pie