The product of n, r and 21

Which orderd pair is a solution of this equation? 5x-7y=-23

6 х2 - 3 х + 12 = ? Gcf

What is the average height of a 13 year old boy?

A line that is parallel to the graph of y=1/2x+7 I think it is 1/2. A line that is perpendicular to the graph of y=-2x-3 I think this one is 1/2 as well. Find the x-intercept of the graph of each equation.

Daisy wants to buy a car battery that has a full price of $85 plus a 6% sales tax, which is the better offer, a 20%-off sale or a $15 coupon?

34times1.22subtrace0.89

Find the quotient for 19,386 divided by 23

X plus y = 0 x - y plus 2 = 0

You work at a bridal shop. You need to find out how much satin you will need to make four bridesmaids' dresses and two flower girls' dresses. Each bridesmaid's dress requires 4.5 yards of satin, and each flower girls dresses requires 3.

A necklace is valued at £1200 It's value is expected to increase by 4.5% per year over the next 3 years. Calculate the expected value of the necklace after this time