Which shapes have aleast one right angle

For a normal population with a mean of m = 80 and a standard deviation of s = 10, what is the probability of obtaining a sample mean greater than m = 75 for a sample of n = 25 scores? p = 0.0062 p = 0.9938 p = 0.3085 p = 0.6915

In the diagram abc=adb=90, ad=p and dc=q. Use similar triangles to show that x2=pz

If last year, nadia earned $31,025. of that amount, she spent $3612.59 on food. what percent of her income went to food, to the nearest tenth of a percent

Write 0.1 as a fraction. A) 1/19 B) 1/3 C) 1/6 D) 1/9

How do you write algebraic expressions to model quantities?

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61