When Emily commutes to work, the amount of time it takes her to arrive is normally distributed with a mean of 25 minutes and a standard deviation of 2.5 minutes. Out of the 203 days that Emily commutes to work per year, how many times would her cornmute be shorter than 21 minutes, to the nearest whole number?​

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?