Ratios and Proportions
2/3=18/27
Simplify:
10^5 * 10^-3
12x^2+3x^2-5x^2-6x^2
4x^2
4/3=x/15
In order to be similar triangles, the side lengths must be ______________________.
(6 xx 10^8)/(3 xx 10^-4)
2 xx 10^12
(2x+3) + (5x+9)
7x+12
Similar or nah? How do you know?

(9 xx 10^3)(3 xx 10^a) = 2.7 xx 10^8

(7x - 5) + (2 - 3x)
4x -3
7/14=11/22
What is the length of the unknown side?

3 xx 10^4
students enrolled at Fordham. How many times greater is the enrollmet at Fordham than at Bathgate?
(6x + 9) - (8x - 2)
-2x + 11

x= 2/3
The combined volume of all the tanks at an aquarium is
1.25 xx 10^6
gallons. The aquarium plans to install a new dolphin tank with a volume of 250,000 gallons. What will be the total volume of all the tanks at the aquarium after the new dolphin tank is installed?
1.5 xx 10^6

(4x^2 + 10x - 1) - (x^2-5x+3)
3x^2+15x-4