Rafeal counted a total of 40 white cars and yellow car. therebwere 9 times as many white cars as yellow cars. how many white cars did rafeal count?

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)