What is the solution of the following system? x-y=11

-x+y=-11

in priyas math class there are 10 boys and 15 girls. What is the ratio of boys to girls in priyas math class? express your answer as a decimal

The formula s = / sqrts (SA/6) gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a cube with a surface area of 480 square meters than a cube with the surface area of 270 square meters?

Multiply. Use the Decimal model 0.8 x. 4

How do i solve 7.4+n=5.3

Imaginary Numbers Simplify i^9

Sammie can type 2 pages in 45 minutes. At this rate how long would it take her to type 5

One book costs £1.95 how much do six books cost?

300 is 10 times as much as what

The length (L) of a simple pendulum is directly proportional to the square of the time period (T). Which type of graph can best describe this relationship? a. hyperbolic b. inverse c. linear with negative slope d. linear with positive slope e.

Write the sum using summation notation, assuming the suggested pattern continues. 100 + 121 + 144 + 169 + ... + n2 + ...