F is a trigonometric function of the form f(x)=a\sin(bx+c)+d Below is the graph f(x). The function intersects its midline at (3,-6.5) and has a maximum point at (4,-2)

Find a formula for f(x). Give an exact expression.

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Find the distance between the point (-3,-4), and (see the picture below)

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never