Acopy was made of sally's autograph. the copy resize the photo so that it measures 4 inches wide by 7 inches long. if the actual painting is 16 inches wide, what is it's length ?

Find the value of the cosine for angle a

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *