A book which was bought for Rs.100 was sold at Ra.90 what will be the loss percent?​

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two