What is the following product? (x StartRoot 7 EndRoot minus 3 StartRoot 8 EndRoot) (x StartRoot 7 EndRoot minus 3 StartRoot 8 EndRoot) 7 x squared + 72 7 x squared minus 12 x StartRoot 14 EndRoot + 72 7 x squared minus 12 x StartRoot 14 EndRoot minus 72 7 x squared minus 72

8

step-by-step explanation:

this is a subtraction problem.

10 - 2 = 8

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!

21

jk it's 20

step-by-step explanation:

b

step-by-step explanation: