Test the hypotheses below with the given data. let alpha = 0.05. sample 1: average = 138.4, sigma = 6.71, sample size = 48 sample 2: average = 142.5, sigma = 8.92, sample size = 39 this is an example of

Toby went in for his annual physical and found out that he had doubled his weight from two years ago when he weighed a third of his moms weight. Since then his mom has gained 26 pounds and now weighs 149 pounds. How much does Toby currently weigh?

The terminal side of angle theta in standard position lies in the fourth quadrant and sin theta = - 12/13 Find the exact values of cos theta and tan theta

How do you simplify 8/100

The width od a rectangle is 6 inches shorter than 3 times its length. the width of the rectangle is at most 45 millimeters. what is the length of the rectangle

Find the slope of the line (-15,-9) (-17,-25)

What devided by what equals 74

Solve for b a^2+b^2=c^2

The sun shines at a 60° angle to the ground. How long is the shadow cast by a 20 ft tall flagpole?

How do you do this 9x-3=5x-15?

What is the approximate circumference of the circle? what is the height of the parallelogram? what would be the approximate length of the parallelogram if the base were completely straight?