The simple interest $ Interest, on a sum of money , $P after T years at R% is given by the formula interest = PRT ÷100 a) make t subject of the formula
b) find t if interest = 51 , P =340 and R=2 1/2​

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Y+ 2/y is it a polynomial in one variable or not? and if so, why?