Kayla's score on yesterday's math test was 12 points greater than julianne's score. let k represent kayla's score. write an algebraic expression to represent julianne's score.

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?