Factorise : x^2-4x-21+10y-y^2

Your art class has been asked to make a banner for the band. It will be in the shape of a trapezoid and made of felt. The felt costs $7.25 per square yard. What will the total cost be? 27ft is area

How do you write 710,000 in scientific notation with answers

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 140140 millimeters, and a standard deviation of 88 millimeters.

A video game system that normally sells for $249 is on sale for 15% off

If a population proportion is believed to be 0.6, how many items must be sampled to ensure that the sampling distribution of ModifyingAbove p with caret will be approximately normal?

Which decim is greater than 2.234

Which partial products can be used to find the product shown below? 51 x 42 О А 2 and 2,000 о в. 10 and 2,400 o с. 12 and 2,040 о o р. 102 and 2,040

5. Andre is solving the equation 4 (x + 3) = 7. He says, "I can subtract from each side to get 4x = 1 and then divide by 4 to get x = " Kiran says, "I think you made a mistake." a. How can Kiran know for sure that Andre's solution is incorrect? b.

On three examinations, Dana received scores of 84, 89, and 78. What score does Dana need on the fourth examination to raise his average to 85?

You have a Spanish meeting every forth day and a math club meeting every tenth day. Today you have both meetings. In how many days will you have both meetings on the same day again?