Abox is filled with 11 blue cards, 2 green cards, and 7 brown cards. a card is chosen at random from the box. what is the probability that it is a blue or a brown card? write your answer as a fraction in simplest form

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Write the expression 7x^3-28xy^2 as the product of 3 factors