Mrs. Rose has 16 students in her class. Her class has three times as many girls as boys. How many girls and boys are in Mrs. Rose's class?
12 girls, 4 boys
4 girls, 12 boys
3 girls, 1 boy
9 girls, 7 boys

(Worth 10 points)

The figure above shows the lengths of thesides of a rectangle in cm. find the valuesof x and y and then the area of the rectangle. sides: top= 3x - yleft= 3y + 4bottom= 2x + yright= 2x - 3 use both methods, elimination and substitution, if possible.

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.