Solve the syetems of equations:

-4x+10y=40

4x+10y=-30

Iris had $900. She spend 22% of this amount on a mobile phone. How much did she pay for the mobile phone

Two blocks of wood are shaped as right rectangular prisms the smaller block has a length of 9cm a width of 3cm and a height of 7 cm the dimensions of the larger block are double the dimensions of the smaller block what is the volume of the larger

The sum of 8 and mais savings is 40

A bag containing 5 red balls, 8 blue balls and 7 yellow balls, what % of the balls are blue?

An equilateral triangle is dilated by a scale factor of 3. If a side of the original triangle is 6, what is the measure of a side of the new triangle? A) 2 B) 9 C) 12 D) 15 E) 18

What is the expression in factored form? 16x^2 - 25

When I multiply by 4, add 12, divide by 2, then square root, I get 10. What number did I start with?

Arrange these numbers from least to greatest 5/6, 7/9, 3/5. A. 5/6, 3/5, 7/9. B. 5/6, 7/9, 3/5. C. 3/5, 7/9, 5/6. D. 3/5, 5/6, 7/9

You work at a factory that bottles honey. The factory bottles 5,250 gallons of honey into cup size bottles on average a day. How many cups of honey does the factory bottle a day

For the functions f (x) = 2x - 3 and g (x) = 5x + 5, find (f • g) (x).