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dirk can clean a playground in 5 hours. geralyn can clean a playground in only 4 hours.

which of the following can be used to determine the amount of time it would take for dirk and geralyn to clean a playground together?
a.) (1/5) + (1/x) = (1/4)
b.) (1/x) + (1/4) = (1/5)
c.) (1/5) + (1/4) = (1/x)
d.) (1/4) + (1/5) = (x/9)

Enter the missing numbers in the boxes to complete the table of equivalent ratios.time (min) distance (km)? 36 9? 1512 ?

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

The tree filled 3/4 of a cup in 1/2 and hour at what rate does syurup flow from the tree