What expression is equivalent to 2 (a+2b) - a-2b

3a+2b

3a-2b

a-2b

a+2b

There are a total of 75 students in the robotics club and the science club. The science club has 11 more students than the robotics club. How many students are in the science club?

Which product is negative? 6⋅ (-2) ⋅ (-3) ⋅1 - 2⋅ (-4) ⋅8⋅ (-1) - 3⋅ (-4) ⋅ (-9) ⋅0 - 7⋅ (-3) ⋅ (-5) ⋅ (-8)

An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours of use, which system of equations could be used to determine the number of hours charged at the day rate (d) and at the

What is the value of x in the equation 1 x - y = 30, when y = 15? 4. 08 80 0 200

What is zero of the polynomial and example

If each student stirred for 25 seconds, what is the total number of seconds that all 25 students stirred?

Angle DFG and angle JKL are complementary angles. DFG = x+7 and JKL = x-9. find the measure of each angle

A semi-circle shaped rug has a diameter of 2 feet. What is the area of the rug?

A book sold 34,900 copies in its first month of release. Suppose this represents 6.7% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest whole number.

Write the value of the underlined digit 6.54 the 4 is underlined