Which expression is not equal to 30?

(2 x 60 : 30) (24 + 2)

2 + (30 - 8 = 4)

(120 = 20) x (2+3)

(9 x 10) = (4 + 1) + 12

The slope of the graph of y = - 7x is what?

A bag contains green marbles and blue marbles, 43 in total. The number of green marbles is 8 more than 4 times the number of blue marbles. How many green marbles are there?

The probability that Jenya receives spam email is 4%. if she receives 520 email in a week about how much will be spam

What is 45x+12+12x+16+14=180

Harper brought $45 to the bowling alley. She spent $25 on bowling and plans to spend the rest of the money playing arcade games. Each arcade game cost $0.25.

Jonathan had 28 papers in his desk his teacher gave him n more papers write an expression that represent the number of papers Jonathan has now

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

What other multiplication facts can be used to find the product of 5*6?

Jeremy is making a trail mix containing raisins and peanuts. Raisins cost $1.50 per pound. Peanuts cost $2.50 per pound. Jeremy spends $10.50 to make 5 pounds of trail mix. He uses the table below to organize this information.

Alaska has 1,700,000 square kilometers. Flordia has a landarea one tenth the size of Alaska. What is the landarea of Florid