One number is 7 times a first number. a third number is 100 more than the first number. if the sum of the three numbers is 307, find the numbers. !

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)