Justin was looking for a birthday card for his sister. there were 9 funny cards, 7 seious cards, and 5 musical cards.

how many choices does justin have for a birthday card?

a) 21

b) 68

c) 80

d) 315

Two lines are perpendicular if A. They cross eachother B. one slope is the negative reciprocal of the other C. one slope is the negative of the other D. they are negative reciprocals

Emma took a taxi from the airport to her house. She paid a flat fee of $5 plus $3.70 per mile. The fare came to $42. For Emma's taxi ride, which equation gives the correct distance (d) in miles? A) 5+3.7=42⋅d B) (5+3.7) d=42 C) 5+3.7⋅d=42 D) 5⋅d+3.

How do you covert feet into yard

Which choice could be the equation of a line perpendicular to the line represented by this equation? y = 5 a. y = 4x - 9 b. y=-1/5x c. y = 5x d. x = 5

Yestarday isabel exercised 15 minutes longer than she exercised today. yesterday she exercised for 40 minutes. which equation can be used to find m the number of minutes Isabel exercised today?

A stick is 6,000 meters long. How many kilometers long is the stick?

The recipocal of 5/12

An architect designs a museum with a floor that has five sides. The lateral faces of the building are tranigle. The museum has the shape of which solid figure?

Number product of a number

What is the slope of a graph showing the height of the Lead Tree plant over time