If 60% of a radioactive element remains radioactive after 400 million years, then what percent remains radioactive after 500 million years? What is the half-life of this element?

Is 16% of 42 same as 40% of 16

How many inches are equivalent to 2 miles

On a number line, is - 5.47 & 5.47 the same distance?

Solve for c ab+c=5 c=5/ab c=5-ab c=5+ab

Kaixuan gave 1/4 of his money to his mother. He spent 5/18 of the remainder on a wallet and 2 t - shirtsand had $312 left. The wallet cost 4 times as much as a t-shirt. (a) How much did Kaixuan have at first? (b) How much did each t-shirt cost?

186,101 of the adults are males how many adults are females

A rectangle has a length of 8 inches and a width of 6 inches. What is the area of the rectangle?

What expression can be use to write the distributed property of 3x+15=?

The values in the table represent the graph of a continuous function. Which interval must contain an x-intercept? X Y -3.1 - 1.85 -2.7 - 0.84 -2.3 - 0.09 -1.9 0.44 -1.5 0.79 -1.1 1.00 -0.7 1.10 -0.3 1.13 0.1 1.13 A. - 3.1 < x < - 2.7 B. - 2.

18, 24, 26, 30 Mean: Median: Range: