2. What is the area of this triangle?
5 ft/
3 ft
4 ft
A. 6ft²
B. 12 ft?
C. 13 ft
D. 22 ft

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Is there an x intercept in the equation 60*1.15^x

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)