45 is 90% of what number? Write the percent proportion and the percent equation. Plz help I’m being timed this in middle school lvl

Regular price is $77.00 and the discount is 5% find the sale price

What aspects of lines have to be diffrent

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares