Right angle Trigonometry, please help me solve (find the angle ) and explain!

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

What are the steps to solving the inequality 3b + 8 ≥ 14?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?