fasai is x years old. Fasai has a brother called orma. the sum of the two boys age is 20 years. express the sum of their ages in form of y=a(x-b)²+ c and how old must fasai be to make the product of their age a maximum?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.