If (x, -1) is a solution to the equation 2x - 3y = 9, what is the value of x?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

If you draw a card with a value of three or less from a standard deck of cards, i will pay you $43. if not, you pay me $11. (aces are considered the highest card in the deck.) step 1 of 2 : find the expected value of the proposition. round your answer to two decimal places. losses must be expressed as negative values.

Which expression is equivalent to the square root of 2 multipllied by 5 divided by 18