Nisha receives $10 each week for school expenses and uses $7.50 of the money to buy lunch. What percent of the $10 does she spend on lunches each week? a. 55% b. 65% c. 75% d. 85%

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)