If f (x) = 2x^2 + 3, then which of the following represents f (-1)

-1

1

4

5

A random sample of 10 chocolate energy bars of a certain brand has, on average, 230 calories per bar, with a standard deviation of 15 calories. Construct a 99% CI for the true mean calorie content of this brand of energy bar.

What is the area of a parallelogram with a base of 10 inches and a height of 10 inches? _ square inches

What is another name for the height of a prism or a pyramid

If a calcium carbonate supplement is ordered at a dose of 600 mg daily, and the available form is 400 mg tablets, how many tablets do you give?

A bag of 100 tulip bulbs purchased from a nursery contains 25 red tulip bulbs, 20 yellow tulip bulbs, and 55 purple tulip bulbs.

What is 1.84 in a fraction lowest terms

7) Cuckoo birds lay their eggs in other species nests and have them raise their young for them. Jeff wondered how different the egg lengths of cuckoo bird's eggs were to the other species.

Solve the equation below for x. 0.2 (3x + 2) + 4 = 26

How can a decimal be converted to percentage?

A parking lot near the sports field holds a total of 52 vehicles. There are 42 cars parked there now. Half of these cars are red, 10 are blue, and the rest are silver. What fraction of the cars are silver?