Solve the system of linear equations by graphing. x+y = 3 x-y = -1

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight