The simple interest on the principle of $2,000 for 8 years is $960. Then what’s is the rate?

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show