Express the relationship between race time and average speed in two equivalent forms to complete a 400-miles

Solve for w (4w-5) (7-w) = 0

9x+4=7 solve equation?

Find the number of distinct triangles with c=3, b=5 and B=85 degrees

2x^2+6x-8 and x+3 in standard form

While shopping you know the average price for a CD is 8 including tax you have 112 in your pocket how about how many CDs can you buy

90% of students at a university use a backpack, while the rest do not. Of all the students, 50% carry their laptops with them and 5% carry neither a backpack nor laptop. What percentage of students carry their laptops and use a backpack?

Brianna's teacher asked her which of these three expressions are equivalent to each other 9x - 3 x - 4, 12x - 4, 5x + x - 4

I am the only number between 41 and 49 that has 5 as a factor. what number am i?

Solve the proportion: A printer can print 11 color pages in 2 minutes. How many color pages can the printer print in 7 minutes?

Four is three less than