Subtracting algebraic expressions

15x- (9+7 x) =

If you need to cut a 3 ft 6 in. piece and a 7 ft 8 in. piece of steel bar, which of the following scrap pieces can be used with the least scrap left over after the cuts? a. 10 ft 6 in. b. 11 ft c. 12 ft 2 in. d. 13 ft 1 in.

The hypotenuse of a right triangle is always opposite from which of the following? A. acute angle B. my right angle C. obtuse angle D. none of the above

Malcom ran the 440-yard and the 220-yard dash at a track meet. There are 3 feet in one yard. How many total feet did Malcom run. estimate first. check for reasonableness

A triangle with side a equals 2 units side b equal 3 units side c equals square root of 13 units. How many units is side c?

Divide 1 by 1000 and round to the whole number

At midnight, the temperature was 34°F. By 6:00 a. m. it had dropped 8°, and by noon it had increased by 11°. What was the temperature at noon?

A golfball is hit from ground level with an initial vertical velocity of 64 ft/s. After how many seconds will the ball hit the ground? a. 3 seconds b. 4 seconds c. 5 seconds d. 6 seconds

The function f (x) = - x2 - 2x + 15 is shown on the graph. What are the domain and range of the function?

Let the test statistic Z have a standard normal distribution when H0 is true. Give the P-value for each of the following situations. (Round your answers to four decimal places.) (a) Ha: μ > μ0, z = 1.73 P-value = (b) Ha: μ < μ0, z = - 2.

Solve the proportion of 8/13=v/8