Evaluate the expression 2(n + 1) - 5 using n=4

Acircle has a circumference of 28.36 units what is the diameter of the circle

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.