3 less then twice a number is - 31. What is the number?

What is 7.69 r to the nearest whole number

A population of values has a normal distribution with μ = 107.7 and σ = 16.8. You intend to draw a random sample of size n = 243. Find the probability that a single randomly selected value is greater than 107.2. P (X > 107.2) = 0.

The amount of time, in hours, babies spent sleeping in two different nurseries is shown on the dot plots below. Nursery 1 A dot plot titled Nursery 1. A number line going from 0.5 to 2.5 in increments of 0.5 is labeled Hours spent napping.

The intensity, io, of a light source is reduced to i after passing through d meters of fog according to the formula i = ioe-0.22d.

What is 6 minus 4 1/3? (Fraction way)

Which term best describes a fraction that has a variable or variable expression in its numerator or denominator

What is 7 4/7 simplified

Riley had to add this group of numbers (56 + 47 + 53), but he wanted to add them as quickly and as easily as possible. Here is how he decided to add the numbers: 56 + 47 + 53 = 56 + (47 + 53) = 56 + 100 = 156.

Does the rule y=-5x^6 represent an exponential function

If the legs of a right triangle have lengths of 6 inches and 8 inches, what is the length of the hypotenuse in inches?