How much is (2^2) <<1

Choose the statement that is true. A. For a normal distribution, 95% of the distribution is within 3 standard deviations. B. For a normal distribution, 68% of the distribution is within 3 standard deviations. C. For a normal distribution, 99.

Identify the coefficient of - z

If you flip two fair coins, what is the probability of flipping heads on the first coin and tails on the second coin?

6.7 * (-2.3) round to the nearest hundredth.

Two cars start from towns 630 mi apart and travel toward each other they meet after 6hr find the speed of each car one travels 25 mph than the other

The length of a rectangle is four times its width. The rectangle has an area of 1024cm^2. Work out the width of the rectangle.

2. A toy store worker packed two boxes of identical dolls and plush toys for shipping in boxes that weigh 1 oz when empty. One box held 3 dolls and 4 plush toys. The worker marked the weight as 12 oz. The other box held 2 dolls and 3 plush toys.

Five cubes are lined up to form a solid. The side lengths of the cubes are 1 feet, 2 feet, 3 feet, 4 feet, and 5 feet. What is the volume of the solid?

The diameter of a circle is 4.3 ft. Find the radius. 2.15ft

Proportional relationships are also considered linear. Are linear relationships also considered proportional? What is required in a proportional relationship? What is required in a linear relationship?