5.A produce store sold 63 red apples. If the ratio of red apples to green apples sold was 7:2, what is the combined amount of green apples sold ?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.