Is - 7 9 = - 9 7 true, false, or open?

the floor of a canyon has an elevation of - 6.5 feet erosion causes the elevation to change by - 0.25 feet per year. How many years will it take for the canyon floor to have an elevation of - 20 feet.

A factory product 4000 crayons every hour during the first 8 hour day. on the second 8 hour day 3,000 crayons were produced each hour how many crayons were produced on two days?

Find the vertex for the parabola given by the function ƒ (x) = - 3x2 - 6x. A) (1, 3) B) (-1, 3) C) (-1/2, 2) D) (-1/2, 3)

Maria baked thirteen cupcakes for her school's bake sale. If her brother, Todd, ate nine of them how many packages could she make if she put two cupcake in each package?

The cooper's live at one thousand, seven hundred six South Central Avenue. how do you write the number of the coopers' home?

Is y=-9x proportional

Which of the following best describes the square root of 12

If a = (1, 2), what is 3a = 3 (1, 2) ?

6+0=6 is what properties

2. If the temperature outside is 30°C, what is the temperature in °F?