Leon has 4 boxes. each box has 15 golf balls and 12 tennis balls.
which expression shows the total number of balls leon has in the boxes?
a. 4 × 12 × 4 × 15
b. 4 + 12 + 4 + 15
c. (4 × 15) × (4 × 12)
d. (4 × 15) + (4 × 12)

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

What is the angle measure, or angle of depression, between this bird and the bird watcher?

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.