Which expression has the same value as the one below

8+[4 + (-9) ]

A 12 + (-9)

B - 12+9

C-4 + (-9)

D4 + (-9)

The range of values for the sample mean that fall within 1 standard error of the mean in a sampling distribution is M = 39 to M = 43. What is the mean of the sampling distribution, and what is the standard error?

What is 0.95 95 repeating as a fraction

Mr. Kim borrows $3,000 to pay for house repairs. The simple interest is 8% for one year. What is the total amount Mr. Kim will pay back?

There are 24 students in Mrs callan's class. there are 8 students in her class that take golf lessons after school. in simplest form what fraction of Mrs callan's class takes golf lessons

The ground temperature at sea level is 60 degrees F. For every 100-foot increase in elevation, the temperature rises 1/10 of one degree. At an altitude of 2,000 feet, what will be the likely temperature?

Orchid wants to retile her bathroom floor, which has an area of 40 square feet. She is deciding between two types of custom tiles. The square tile is 1/2 foot by 1/2 foot and costs $0.45 per tile.

Evaluate the expression x2 + 8x - 4 if x = 3.

If Pedro sends 360 messages on average each month, which plan would you recommend that he choose? Support your recommendation using mathematical evidence.

Mr. Toshiro manages a company that supplies a variety of domestic and imported nuts to supermarkets. He received an order for 120 bags of cashews, 310 bags of walnuts, and 60 bags of Brazil nuts.

Which statement is not true? A The center of a regular polygon is the center of its circumscribed circle. B The radius of a regular polygon is the radius of its circumscribed circle.