Polygon abcde rotates 52º about the origin to create polygon a′b′c′d′e′. if measure of angle bcd equal 31 º , what is the measure of angle b'c'd' ? sorry cant give answers not a multiple choice question

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?