Which statements about the circle are correct? Check all that apply. Arc PQ is congruent to arc SR. The measure of arc QR is 150°. The circumference of circle C is 20π cm. Arc PS measures about 13.1 cm. Arc QS measures about 15.7 cm.

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

I'm confused on this could anyone me and show me what i need to do to solve it.

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?