2 (2-j) = 4 (j+10) so what is j

19+19+26+26= what is it

What is the product of the 5th square number and the 5th square number?

Shelly delivered 12 newspapers after 20 minutes and 36 papers after 60 minutes

What is 23.5% as a fraction?

True or false 6 + 4 + 5 = 5 + 4 + 6

Why is 4 a natural number?

Students at university x must be in one of the class ranks, freshman, sophomore, junior, or senior. at university x, 35% of the students are freshmen and 30% are sophomores.

Assume that your production line has a quota of 10 units per day at $25.00 per unit an your line meets its quota

The equation f = v at represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a, over time, t. Which is an equivalent equation solved for a?

Class 10R sat a test. The mean mark of the class was 70%. There are 30 students in class 10R, 20 of whom are boys. The mean mark for the boys in the test was 62%. Work out the mean mark for the girls.