What is the total mass of 222rn remaining in an original 160 milligram sample?

What is the slope of (2,3) and (4,6)

Can a rational function have vertical and oblique asymptote

There are 2,100 bacteria in a circular petri dish. The dish has a radius of 40 millimeters. What is the approximate population density? (Use 3.14 for π) Area of a circle = πr2 0.02 bacteria per square millimeter 0.42 bacteria per square millimeter 2.

The vertex form of the equation of a parabola is x = 8 (y - 1) 2 - 15. What is the standard form of the equation? A:x = 8y^2 - 16y - 7 B. x = 16y^2 - 2y - 16 C. x = 8y^2 - 4y + 32 D. x = 16y^2 - 4y + 32

You spin the spinner and flip a coin. Find the probability of the compound event. The probability of spinning a prime number and flipping tails is

What's 1 fourth of 1490

25 more than 50 as an expression

Edith works for x amount of hrs that pays $4 she also has accepted another job that pays $8 an hr working y amount of hrs she can only work 15 hrs a week. Edith wants to earn at least 80 a week. Working both jobs

Jacob counts 37 ants on the sidewalk and 11 ants on the grass. how many ants does Joes count?

A number decreased by fifteen is less than two.