-2 + -8
-10
what is the base?
the number being multiplied
d + 5 = 3
d = -2
For every 2 apples, I spend $1. What is the ratio?
2:1
V=lwh; find volume for a box that is 12in long, 6in wide and 7in tall.
V= (12)(6)(7) = 504in^3
-5 - (-15)
10
(-5)^3
-125
a - 12 = -5
a= 7
Mary has 36 apples and I have 28 apples. I want to give Mary %50 of my apples. How many apples does Mary have now?
step 1(how many apples given) 28/2= 14 apples
step 2(Mary's total apples) 36+14=50 apples
is this true? b /3 =3 when b is 45
no, 15 does not equal 3
-7 * -6
42
30 - 3 2^3
6
-9 = c/2
c= -18
300 students study a language. 85% of those students study Spanish. How many students study Spanish?
300(.85)= 255 students
60/10=?
6
9 / -3
-3
6x^2 - 3y + 3x^2 - 7y
9x^2 - 10y
-3b = 15
b= -5
If I need to double my recipe for a big family, how much do I need to make?
twice as much
b(5)= 35; what is b?
b= 7
-6 + 9 + -15
-12
-5 (w - 2)
-5w + 10
-2(n-1)=10
n= -4
what is the sale price of a $26 pair of sunglasses on sale for 20% of?
step 1 (find discount): $26(.20) = $5.20
step 2 (find sale price): $26-5.20 = $20.80
$20.80
whoever you think teaches you best hehe :)