state whether the function is a polynomial. f (x) = 3x²+7x-3

9 ten thousands + 4 ten thousands

A student tries out for the track team and runs a lap in 45 seconds. The coach tells her she will have to cut her time by 50% to make the team. How fast must she run a lap to make the team?

The production of a certain polymer fiber follows a normal distribution with a true mean diameter of 30 μm and a standard deviation of 20 μm. (a) Compute the probability of a measured value greater than 80 μm.

Solve for x. x2 - 7x = 0 A. 0, - 7 B. 0, 7 C. 1, - 7 D. 1, 7

Can prime numbers be fractions?

What are the solutions of the equation x4 - 9x2 + 8 = 0? Use u substitution to solve. x = 1 and x = 2 StartRoot 2 EndRoot x = ±1 and x = plus-or-minus 2 StartRoot 2 EndRoot x = ±i and x = plus-or-minus 2 i StartRoot 2 EndRoot x = ±i and x =

If the die is rolled 300 times how many times would you predict a roll of a 1 or a 6

A land snail traveling at a speed of 40 feet in one hour, what was its speed in/sec

Carmel can drive 320 miles on tank of gas and one tankful costs $39. How many tanks of gas will she need to drive 2,240 miles and how much will it cost

Three months ago Santos could walk to miles in 40 minutes today he can walk to miles in 25 minutes find each percent of change