Techechtium-99m has a half-life of 6 hours. If 1000mg is in use, in how many hours will 62.5mg remain?

Literal equations A=bh/2 solve for h

Maya's mother is exactly 2 yards tall. Maya is 15 inches shorter. Which shows Maya's height? A 4 feet 7 inches C 4 feet 9 inches B 5 feet D 5 feet 7 inches

Mr. Smith plans to build a 3-foot-wide walkway around the outside of the cabin, as shown in the floor plan. What will be the area, in square feet, of the top surface of the walkway? A. 171 B. 324 360 396 720

A cargo van is carrying 20 identical steel cylinders. Each cylinder contains compressed oxygen. Altogether, the cylinders weigh 1/2 of a ton. In tons, what is the weight of each cylinder.

This year, you owed $6,414.95 in federal income tax. If you are taxed at a net rate of 17%, what was your taxable income for this year? a. $109,054 b. $26,792 c. $44,867 d. $37,735

A whole number has a 6 in the hundreds place, and all of its other digits are zero. If the 6 is moved from the hundreds place to the tens place and all other digits remain as zeros, which statement is true?

The sum of two numbers is 20. The difference of the two numbers is twice the smaller number. What are the two numbers?

If you flip a coin and roll a 6-sided die, what is the probability that you will flip a heads and roll a 5?

Andrew will roll a number cube and flipping a coin for a probability experiment the faces of a number cube are labeled one through six the coin to land on heads or tails if Andrew Rosen number cube once in flips a coin ones write a list that

Let x be the total number of customers in a one-hour interval and y be the total number of female customers in the same interval. find the joint pmf of x and y.