A telephone number contains 10 digits selected uniformly at random in the range from zero to nine with replacement.

a. find the probability that a telephone number is even.

What are the real and complex solutions of the polynomial equation x^3-64=0

Find a close estimate for square root of 46

Simplify completely quantity 5 x squared minus 21 x minus 20 all over quantity 5 x squared minus 16 x minus 16.

Write a two column proof for each.

Nico put sum cupcakes in the oven at 8:55. They needed to bake for 25 minutes. When should he tale them out of the oven?

What is the value of the missing exponent? (-2x^3) ^?=-8x^9 I think it's just 9 ... but that seems too easy.

What are examples of 2 equivalent equations

Find the slope of the line that passes through (1, 11) and (10, 6).

If n represents a number, then write an expression for three times the difference of the number and six increased by four time the number.

The maximum depth dmax that a diver can snorkel is set by the density of the water and the fact that human lungs can function against a maximum pressure difference (between inside and outside the chest cavity) of 0.056 atm.