In a mixture of concrete, there are fourfour lb of cement mix for each pound of gravel. if the mixture contains a total of 110110 lb of these two ingredients, how many pounds of gravel are there?

Given that z is a standard normal random variable, compute the following probabilities: a. P (z ≤ - 1) b. P (z >.95) c. P (z ≥ - 1.5) d. P (-.5 ≤ z ≤ 1.75) e. P (1 < z ≤ 3)

Evaluate the series 3 - 12 + 48 - 192 + ... to the seventh term. Round your answer to the nearest hundredth, if necessary.

Mason counted an average of 18 birds at his bird feeder each day for 20 days. Rosa counted an averge of 21 birds at her bird feeder each day for 16 days. How many more birds did Mson count at his feeder than Rosa couted at hers?

The number of students to adults is 10:2 if there are 477 students how many teachers are there

Carlos used 32 ounces. of walnuts in a muffin recipe. how many pounds of walnuts did he use

Multiply. (3.5*10-5) (3*10-10) Express your answer in scientific notation. A. 1.05*10-15 B. 1.05*10-14 C. 1.05*10-13 D. 1.05*1015

Fragmentation is a way to

The maximum value of f (x) = x3 - 3x2 - 9x + 2 on the interval [0, 6] is 2 56 135

If statement q is angles ABC and QRT are vertical angles then ~q is angles ABC and QRT are congruent True or false?

Consider the functions f (x) = x2 - 13 and g (x) = x + 5. What is the value of f[g (-4) ]? -12 3 -13 8