Factorise: 4x^2 - 9y^2

Sam has some money. If he spends $15, he will have 2/5 of the money he started with

Find the value of the expression g - d for d = 7 and g = 7.

Find the solution to the system of equations. x - 2y - z = - 2 x+2y+ z = 0 y + 3z = 3 A. x=-1, y = 0, z = 3 B. x = - 1, y=-1, z = 0 C. x=-1, y=1, z = 1 D. x=-1, y = 0, z = 1

Ask Your Teacher The circumference of a sphere was measured to be 90 cm with a possible error of 0.5 cm. (a) Use differentials to estimate the maximum error in the calculated surface area. (Round your answer to the nearest integer.

What is always the smallest positive factor of any positive integar?

Greatest common factor of 81 and 135

Which value of x satisfies the equation? 1.6 + x = 4.8? 0 2.2 3.0 0 3.2 6.4

Larry has 9 gallons of paint he use's 10quart to paint his kitchen and 3 gallons to paint his liver room how many pint of paint will be left.

A track practice, sheila worked on the long jump. her second jump was measured 2 yards, 1 foot, 10 inches. how much longer was sheila' s first jump than her second jump? express your answer in inches.

Graph the solution to y< = 1/5x+2