Element X decays radioactively with a half life of 11 minutes. If there are 220 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 32 grams? y=a (.5) t/h?

Ana is driving from her home in Miami to her grandmothers house in New York. On the first day she will travel 240 miles to Orlando Florida to pick up her cousin.

Six students from a statistics class reported the number of hours of television they watched per week. here are their dаta: 8, 10, 5, 14, 3, 6. what is the mean number of hours of television watched per week for this sample of six students? 8.00 5.

Expand and simplify 2 (y+5) + 5 (2-3y)

What is the answer for y=6x-14 y = - 8x

What property of equality is x=x

A bowl contains 10 red balls, 5 blue balls, and 8 green balls. A woman selects balls at random without looking in the bowl. How many balls must she select to be sure that she has at least one ball of each color

1/2 (4x-10) + 5=x-11 A. 11 B. 6 C. - 11 D. - 6

At last year's company picnic, 25 pounds of ground beef were needed to make 100 hamburgers. How many pounds of ground beef will be needed this year if 120 hamburgers are to be made? A. 30 lb B. 45 lb C. 50 lb D. 55 lb

A triangle is such that the largest angle is 3 times the smallest angle. The third angle is 23 less than the largest angle. Find the measure of each angle.

Which value is in the solution of |x|+9=-2