Lesson Check (4.0A. A. 2)

1. Sari has 3 times as many pencil erasers as

Sam. Together, they have 28 erasers. How

many erasers does Sari have?

There are 9 books on the shelf. 9 are blue and the rest are green. How many books are green? Write a number sentence.

What is the mean medium an mode of 5 10 12 4 6 11 13 5

LaDanian wants to write the fraction 4 / 6 as a sum of unit fractions. what expression should he write

A fluid moves through a tube of length 1 meter and radius r=0.002±0.00015 r=0.002±0.00015 meters under a pressure p=3⋅10 5 ±2000 p=3⋅105±2000 pascals, at a rate v=0.5⋅10 - 9 v=0.5⋅10-9 m 3 m3 per unit time.

Find the slope (-0.5,0.5) perpendicular to y=-2x-4

3. Sandy bought 9 animal pencils that cost 8C each. How much money did she spend?

What is the factored form of the expression? 12d2 + 4d - 1 a. (6d + 1) (2d + 1) b. (6d - 1) (2d - 1) c. (6d - 1) (2d + 1) d. (6d + 1) (2d - 1)

A number a is a root of p (x) if and only if the reminder, when dividing the polynomial by x + a, equals zero, true or false?

What is the solution to this equation 3x + 17 + 5) = 7x + 10

Round this number to the nearest 100. 3,817,453