If

f (x) = 3x + 1 and f^-1 = x-1/3,

then f^-1 (7) =

A. 22

B. 2

C. - 2

5% of what number is 3.5

What is the digit 6 in the number 23.456

Select the values of r, below, that represent a low or no correlation.

A scientist is studying the impact of certain vitamins on a person's ability to remember. The sample size for the experimental group was 25. When a two-tailed t test was calculated, the t statistic came out to be 1.54.

Standard form: y=-3x^2-6x+1 Vertex form: y=-3 (x-1) ^2+4 Factored form:?

When students at Luray Middle School were surveyed, 22% said they would like hamburgers at lunch rather than hotdogs. What is that percent rounded to the nearest compatible fraction?

The table shows the number of touchdowns Luis scored during his football games. Touchdowns scored (x) | 0 1 2 3 Number of games (f) | 5 8 7 5 A) create a probability distribution table. Show your work.

Is 0.018 a reasonable answer for 1.8*100

Solve for s. S + 24 = 90

In quadrilateral QRST, angle RST measures (5x + 15) degrees. Angle TQR measures (4x + 3) degrees. What is the measure of angle RST