20 students play football and 16 students play hockey. It is found that 10 students play both games. Find the number of students playing at least one game ​

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7