Solve. 12 students in the classroom and she wants to create a student to teacher ratio of three to one (three students per teacher). how many teachers must she hire?

Which expression is greater than - |-6.4|

Suppose $x$,$y$, and $z$ form a geometric sequence. if you know that $x+y+z=18$ and $x^2+y^2+z^2=612$, find the value of $y$.

Given the list of probabilities, choose all of the correct statement. P (A) = 0.25 P (B) = 0.15 P (C) = 0.30 P (D) = 0.20 If the P (A and B) = 0.075, then events A and B are independent. If the P (A and C) = 0.15, then events A and C are independent.

Round 27 to the nearest ten

An Eggscellent Problem In Ginoni's farm shop, you can buy her freerange hens' eggs in boxes of 4, 6, 9 or 20. This means, for example, that you can have 21 eggs by buying two boxes of 6 and a box of 9.

The cost of a daily newspaper varies from city to city. however, the variation among prices remains steady with a standard deviation of 20?. a study was done to test the claim that the mean cost of a daily newspaper is $1.00.

How does the curie's law look like on a graph?

How do u know when to use solving by square roots

The volume of a cube is 1, 953.125 centimeters cubed. Find the length of the sides. Round to the nearest tenth.

1 5/10 + 3/10 = find each sum write in simplest form