Write the following ratios in their simplest form.
27:30

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?