The diameter of a lOp coin is 24.5 mm. The diameter of a 5p coin is 18 mm. Some coins are laid out end to end. pence penca pence pence Ten 5 gen gen 10 10 10 10 • penca ence ence penca eive five Five Five Five ence 5 b 5 5 5 5 What is the distance marked b in the diagram?​

Solve: 3x+y=6 4x-2y=18 show all work !

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)