This new sample of 6 students from the same
class received the following grades:
72, 64, 95, 8, 81, 78
What is the sample variance for these 6 grades?
119.5
c) 51
63.2
D) 59.9

Simplify the expression. -2/5(10+15m-20n)

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.