Her favorite numbers are 8 and 18.
8 + 18 = 26.
8 * 18 = 144.
Answer:
3(r-1)(3r-2)(3r+2)
Step-by-step explanation:
I drew a square with each side being 8 inches long. I then divided the square into 8 sections. Each section was 1 inch wide and 8 inches long. Then I shaded in one section of the square.
Answer:
height is 5 units
Step-by-step explanation:
We are required to determine the height of a triangle that has an area of 30 square units and a base measuring 12 units.
The formula for the area of a triangle is given as;
We plug in the given values and solve for the height;
Answer:
Step-by-step explanation:
p and h are number of plumbers and helpers, respectively.
Twenty workers earn a total of $2600
p+h = 20
h = 20-p
160p + 100h = 2600
160p + 100(20-p) = 2600
60p = 600
p = 10
h = 20-p = 10
Ten plumbers and ten helpers.