Tell whether the equation represents a linear function.

5y = 20 − x
a. The equation is a linear equation.
b. The equation is not a linear equation.

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs