after 4 years susans account earned $600 in interest. if the interest rate in decimal form is 0.05. how much did susan initially invest?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

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

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2