Simplify 21 a + (-18b) - 6a+11b

Es Double a number is equal to the number decreased by five. Find the number. 10 Submit

Round 81,955 to the nearest ten

A bicycle store pays $29.62 for a helmet the store sells the helmet for $39.99 find the percent markup

Ali was paid $75 for mowing a neighbor''s yard. This is one fourth of the amount of money she earned all summer

Bob works as a tutor for an hour and as a waiter for an hour. This month, he worked a combined total of hours at his two jobs. Let be the number of hours Bob worked as a tutor this month.

If a road has a grade of 30°, this means that it's angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have you gained in feet (5280 ft = 1 mile) ?

Select from the drop-down menu to correctly complete the statement about the given figures. Triangles PQR and MNO are (here it has a drop down menu I'll include those options below) Similar or not similar? Two right triangles, PQR and MNO.

Find the product of (x + 3) (x - 3). a. x2 - 6x + 9 b. x2 + 6x + 9 c. x2 + 9 d. x2 - 9

If there are 16 bananas and you take 6 and you two friends take 5 bananas each how many are left

Zoe is making a quilt using 15 red squares and 30 green squares. Which combination shows the same ratio of red squares to green squares