A bag has 4 red and 3 blue marbles, and 2 yellow. What is the chance of drawing a blue one? Fraction? Decimal? Percent?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.