Jay, Sheila and Harry share £7200 in the ratio 1 : 2 : 5. How much does Harry receive?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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

Solve the equation by completing the square. x^2+2x=17