A welcome sign at a school is in front of a flagpole. How tall is the welcome sign?
A 2 ft
B 2.7 ft
C 4.5 ft
D 5 ft

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

What is the domain of the of the exponential function shown below?