Which expression is equivalent to 1/2r + 8p - 3/4r - 2p?

The heights of 1000 students are approximately normally distributed with a mean of 174.5 cm and a standard deviation of 6.9 cm. suppose 200 random samples of size 25 are drawn from this population.

To find the inverse secant of a real number x such that x≥1 , convert the inverse secant to an inverse

Solve these 5th grade problems 1. 7.8 : 15 2. 49 : 14 3. 5.16 : 0.24 4. 20.2 : 4 5. 138.4 : 16

Explain why the ratio 10g 1kg is not a ratio of equivalent measurements

2. What is the length of the fence's shadow? (use the table above)

Astronauts use stool in space that weighs 5 ounces on earth how many grams does the tool weigh round your answer to the nearest hundredth

The product of - 4 and a number is 36

The price of a shirt is reduced from $27 to $20. what is percentage decrease in the price?

Solve the equation - 1/2 = c-6/7

Dakota mixes two cereals for breakfast. One gram of cereal A has 6 milligrams of sodium and 7 calories. One gram of cereal B has 8 milligrams of sodium and 5 calories.