Jill is 18 years old. Her sister is 3 years old. How many times older is Jill than her sister?

a culture started with 4,000 bactira. after 4 hours, it grew to 5,200 bactira. predict how many bactira will be present after 11 hours. round your answer to the nearest whole number p=AE^kt

Haley is considering two gym membership plans. The plans are detailed here. Plan one $50 for a monthly pass and a $3 fee for each gym visit plan to $10 for each gym visit what is a system of equations that represents the cost of the plans?

The probability that Paula passes Mathematics is 2/3, and the probability that she passes English is 4/9. If the probability that she passes both courses is 1/4, what is the probability that she will pass at least one course?

How much money invested at 5% compounded continuously for 3 years will result in $852

In one city, the probability that a person will pass his or her driving test on the first attempt is 0.61. 11 people are selected at random from among those taking their driving test for the first time.

If cosine of x equals 1 over 2, what is sin (x) and tan (x) ? Explain your steps in complete sentences. So far, I found that adjacent=1 and hypotenuse=2, but I have no idea where to go from there

The parent volunteers made 120 snow cones in 5 hours. The student council made 100 snow cones in 4 hours. Who made more snow cones per hour? Answer with supporting work:

John weighs 200 pounds. He lost 10% of his weight. Then he gained back 10% of his weight. How much does John weigh now?

What is the y intercept of - 16t<2+150

Write word form for decimal 275.331