Plz i need : ( write a variable expression that represents the word problem. matt gave q quarters and n nickels to his sister. which expression represents the amount in dollars that matt gave to his sister?
a. (0.25+0.05)*qn
b. q*n
c. q+n
d. 0.25q+0.05n

The triangles are similar. what is the value of x? x=

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

What situation is an example of an observational study