How many different signals can be made by displaying five flags all at one time on a flagpole? The flags differ only in color: two are red, two are white, and ine is blue. BTW this is a permutation problem.

A new crew of painters can paint a small apartment in 12 hours. an experienced crew can paint the small apartment in 6 hours. how many hours does it take to paint the apartment when the two crews work together?

7x-5y=-8 3x-2y=-3 This needs to be solved for x and y

Suma a trei numere este 2450. Primul numar este cu 250 mai mare decat al doilea si cu 180 mai mare decat al treilea. Care sunt numerele?

Isaiah sketches a model of a skateboard ramp. The model has two surfaces on which to skate, represented by sides AB and AD in the diagram. The steepest side of the model, AB, measures 4 inches. What is the length of the other skating surface, AD? in.

How to write the sum of twice a number and two is greater than four

The sum of two consecutive numbers is - 49 what are they

Yummy Cookies just opened a brand new cookie bakery, ans sales are increasing every month! In January, the baker made 14 carrot cake cookies. In February, the baker doubled the January order, took 5 cookies home to his family, and sold the rest.

What is the value of the expression 2 1/2 x + 3 2/3 y (if x = 4 and y = 2)

The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). the sample statistics from one experiment include 480 480 peas with 127 127 of them having yellow pods. find the value of the test statistic.

90% of students at a university use a backpack, while the rest do not. Of all the students, 50% carry their laptops with them and 5% carry neither a backpack nor laptop. What percentage of students carry their laptops and use a backpack?