Marisa is counting wheels on bicycles and tricycles at the park. she counted 3 vehicles and 7 wheels. how many bicycles and how many tricycles did marisa see?

1 x 3 = 3 wheels 2 x 2 = 4 wheels

3 + 4 = 7 wheels

Tricycles have 3 wheels, Bicycles have 2.

1 Tricycle and 2 Bicycles

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.