The function f(x) = 1(3)* models the number of virus cells present in a sample after x minutes. About how many cells will be present after 1.5 minutes? Round to the
nearest whole number.
cells

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11