In a school of 2000 students, the ratio of teachers to students is 3.80. Some teachers join the school and the ratio changes to 1:20.
Find the number of teachers who joined the school​

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.