Let a=2 and b=1, find the value of 2a + 3b

Find the value of the variable and the length of each secant segment

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.