There are two coins in a box. one coin is fair, the other has heads on both sides. you draw one coin at random, toss it, and it lands up heads. what is the probability that you drew the two-headed coin

23X67 Estimate then find the prouduct

10n squared - 26n + 12

How to solve 5/a+1/2=6/a

What are three rational numbers between - 0.5 and - 0.6?

The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 80 cm. What are the dimensions of the rectangle?

Starting at the top if you cut a square pyramid in half using a single cut, what is the shapes of the newly-exposed section?

8 22/66 in lowest terms

The exponential function y (x) = ce^ax satisfies the conditions y (0) = 2 and y (1) = 1. find the constraint of c and a. what is y (2) ?

Ten children equally share 60 almonds. How many almonds will 5 children get?

The game of European roulette slots: 18 red, 18 black, and I green. A ball is spun onto the wheel and will eventually land ina slot, where each slot has an equal chance of capturing the ball. Gamblers can place bets on red or black.