What number must be added to the expression below to complete the square? x2+7x

Shruthi has a total of ₹590 as currency notes in the denominations of ₹50, ₹20 and ₹10. The ratio of the number of ₹50 notes and ₹20 notes is 3:5. If she has a total of 25 notes, how many notes of each denomination she has?

Solve for r. You must write your answer in fully simplified form. 8r = 16

A marker is almost 14 centimeters long. This length ends between which two centimeter-marks on a ruler? Enter the smaller centimeter- mark first. centimeter-mark and the The length ends between the centimeter-mark.

Use a table to compute the product below. (10x2 - 6x + 8) (2x + 2) A. 20x3 + 4x + 16 B. 20x3 + 8x2 + 4x + 16 C. 20x3 + 8x2 - 24x + 16 D. 20x3 + 32x2 + 4x + 16

Luke earns $50 for doing his chores each month. He washes cars in his neighborhood for $15 each. Last month he earned a total of $110. How many cars did he wash? 1. Define your variable, what is unknown? 2.

What is nine more than a number divided by - 4 when it is less than or equal to - 2

If x2 - y2 = 12 and x - y = 4, what is the value of x2 + 2xy + y? F. 3 G. 8 H. 9 J. 12 K. 16

Data collected in a survey shows that 60 percent of the buyers are interested in buying a brand of mobile phone and if the total number of buyers are 400 then how many buyers are not interested and also find the central angle of the sector of the

If the measures of a traingle are x, x+10 and 2x-6 what is the triangle

Dennis is going to use a number line to multiply 6 * 4. Which sentence is true about the answer? A. The answer will always be to the left of 4. B. The answer will always be to the right of 4. C. The answer will sometimes be to the left of 4. D.