Ira's collage must include a photo of himself as a baby, a toddler, an older child, and a current photo. he has four baby photos, two toddler photos, seven older child photos, and three current photos to choose from. how many ways can ira make his collage?

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

How much orange juice do you need to make 2 servings of lemony orange slush?

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?