20 is 60% of what number

Answer the following questions, using the simulation: a. Determine the spring constant, k, of Spring 1, by using Hooke's Law.

Eight circle and 5 circle are shaded. what fraction of the group is shaded?

0.08 ten Times as much as

The scores on a driver's test are normally distributed with a mean of 100. Find the score that is: Find the score that is 3 standard deviations above the mean, if the standard deviation is 16

Find all the power of 3 that are in the range 3 through 1,000

Las casas del lado de la calle donde vive karina llenen todos los numeros pares la primera casa de la calle es el numero 200 y la ultima es el 240. Karina observa que no se han saltado ningun numero par cuantas casas hay de ese lado de la calle

Find the sum of the integers from - 6 to 57.

An Investor invested a total of $2,600 in two mutual funds. One fund earned 7% profit while the other earned 3% profit. If the investor's total profit was $150, how much was invested in each mutual fund?

Physics students drop a ball from the top of a 100 foot high building and model its height as a function time with the equation h (t) = 100 - 16t^2. The height, h, is measured in feet and time, t, is measured is seconds. Find the value of h (0).

If 1 adult female is randomly selected, find the probability that her pulse rate is less than 76 beats per minute.