Three months ago, Santos could walk 2 miles in 40 minutes. Today he can walk 2 miles in 25 minutes. Determine the percent of change. State whether the percent of change is am increase or decrease.

8 - (3+b) = b-9 ion understand this

Make a conjecture about the next number in the sequence 5, 7, 11, 17, 25 ...

Assume a person pays $1 to play the following game. Four coins are tossed. If all coins show the same (all heads or all tails), the player wins $6; otherwise, the player loses. Find the expected value for this game.

Solve the rational equation quantity 2 times x plus 6 end quantity divided by 3 equals quantity 5 times x minus 1 divided by 7. x = 45 x = 39 x = 14 x = 7

Currently, each student in our school system is assigned a 6-digit (each digit is 0-9) student identification number.

In a bottle-filling process, the amount of drink injected into 16 oz bottles is normally distributed with a mean of 16 oz and a standard deviation of. 02 oz. Bottles containing less than 15.95 oz do not meet the bottler's quality standard.

Volume of solid of revolution?

Find the value of the following ratio 12/408

The heights in inches of 8 students are 50, 52,53,68,54,49,55,51. Is there an outlier in the data set if so which number is the outlier

What is 14 + 18 divided 2 times 18 - 7