PLZZ HELP ASAP Which statement is true?

a. An acute triangle sometimes has a right angle.
b. A right triangle never has an obtuse angle.
C. An equilateral triangle sometimes has a right angle.
d. A quadrilateral never has an obtuse angle.​

Question 1 (50 points) your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. question 2 (50 points) taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1g(x)=2x2+1

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c