7. Dan used 1 cups of sugar to make brownies. He now has 4 cups of sugar

left. How much sugar did he have before he made brownies? Write and solve the

equation

Suppose that competing hypotheses for a test are H0: p1 - p2 = 0 versus HA: p1 - p2 ≠ 0. A 95% confidence interval for the difference between the population proportions is calculated as [0.25, 0.40].

A farmer sold 250 of his sheep bought 35 more sheep and then bought 68 more sheep afternoon 3 died he sold another 260 if he now has 199 sheep how many sheep did he have at the beginning

A particular element found in nature exists as two stable isotopes. 60.4% of the element has a mass of 68.9257amu, the rest of the element is found with a mass of 70.9249 amu. Calculate the average atomic mass of the element.

If the first four terms in a number pattern are 3, 7, 12, and 18, what are the next two terms in the pattern?

Pattern is 3,-6,12,4,20

For a particular cable, the radius of the base of the inner layer is 2 millimeters (mm) and the radius of the base of the outer layer is 6 mm. What is the percent of the area of the base pf the outer layer is the area of the inner layer?

Determine whether quantities vary directly or inversely and find the constant of variation. It takes four identical water pumps 6 hours to fill a pool.

A doctor is measuring the mean systolic blood pressure of female students at a large college. Systolic blood pressure is known to have a skewed distribution.

Which is closer to the value of 5√15?

80s to 2 minutes ratio simple as possible