Additional solving equations

-45=5+5k

Consider a normal distribution curve where 90-th percentile is at 20 and the 25-th percentile is at 10. use this information to find the mean, μ, and the standard deviation, σ, of the distribution.

5x+6y when x=16 and y=-9

A chunk of cheddar cheese weighs 30 oz a chunk of parmesan cheese weighs 1 pound and 10 oz which chunk of cheese is heavier

0.05 is 10 times as much as?

Kimberly had more time to conduct the surveys and decided to survey a random sample of 30 students from the school. In Kimberly's sample, 24 students said they would vote for Tammy.

The coordinates of the four vertices of a rectangle are (1, - 1), (4, - 1), (4, 1), and (1, 1)

If the perimeter of an equilateral triangle is 24 inches, find a side of the triangle

3x-2y=-2 6x-2y=10 solve by elimination

A marketing firm is studying consumer preferences for winter fashions in four different months. From a population of women, 18-21 years of age, a random sample of 100 women was selected in January.

Which is bigger 15%or 1/5?