The half-life of a radioactive substance is 275 days. How many days will it take for 70% of the substance to decay?

In a right triangle, cosA=0.352 and sinA=0.936 What is the approximate value of tanA? A - 0.329 B - 0.376 C-1.288 D-2.659

How do you solve 5x + y=9 10x-7y=-46 How do you solve - 4x+9y=9 x-3y=6

There are more rational numbers than irrational numbers. A. True B. False

What is the radius of a circle whose equation is x^2+y^2-10x+6y + 18=0

Any number that is divided by 2 is also divided by 6

Find the value of the given trigonometric function. cot (-150°)

The nutrition information on the cereal box says that a 1 /2 -cup serving provides 210 calories and 3 grams of dietary fiber. At that rate, find how many calories and grams of fiber are in a 1 /3 -cup serving.

June's multivitamin contains 1500mg of calcium. Convert this to grams

Tamara earns $8 an hour at her job working 25 hours per week. If 22% of her paycheck goes to taxes, what is Tamara's monthly cash inflow? (Assume this is her only source of income and that there are 4 pays per month.) Which choice is correct? a.

Solution to 2x - 9 < 7