What is the complete factorization of 2x2 − 11x − 21?

x
2x
3x
1
3
7

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)