Sally has 45 balloons. She buys 31 more balloons. How many balloons does she
have now?
A
76 balloons
B
77 balloons
C 66 balloons
D
14 balloons

76 a

Step-by-step explanation:

A. 76 balloons

Step-by-step explanation:

if she starts with 45 and gets 31 more, she's adding the 31 new balloons. so you add 45 plus 31 which makes 76. so the answers A. 76

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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