For a normal distribution curve with the mean of 15 and a standard deviation of 5, which range of the variable defines an area under the curve corresponding to a probability of approximately 68%?

In order for a 25-gon to be regular

Evaluate the following expression: 3 (1,-1) - (4,2)

Mr. McDowell invested $14,000 in equipment to print yearbooks for Ardrey Kell High School. Each yearbook costs $7 to print and sells for $35. How many yearbooks must he sell before he breaks even?

Mark is comparing prices of different brands before he goes shopping. Who has the best deal on ice cream ? Brand Size & Price Turkey Hill $4.50 for 30 ounces Breyers $15.36 for 128 ounces Ben & Jerrys $2.88 for 16 ounces

The sum of two numbers is - 1. Their difference is - 7. What is the two numbers

Dessie is training for a triathlon she runs 4 miles for every 9 miles she bikes at the end of her training she has run a total of 92 miles how many total miles did she bike and run

What is the radius of a semi circle when the area is 20cm

129 is 43% of what amount?

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is not taking science? 69% 44% 51% 49%

Does a parallelogram have to have an acute angle