The power function y = ax” is shown graphed below. Which of the following must be true about the values of a and b?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Acontainer holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of oil are in the container? express your answer as both a fraction and a decimal.

Cate purchases $1600 worth of stock and her broker estimates it will increase in value by 4.2% each year. after about how many years will the value of cate's stock be about $2000