Efectuati!

(-1) + 2 + (-3) + 4 + (-5) + ... + (-19) + 20

Ajutati-ma, va rog!

For the following system, if you isolated x in the first equation to use the Substitution Method, what expression would you substitute into the second equation? - x - 2y = - 4 and 3x + y = 12 A.) - 2y - 4 B.) 2y - 4 C.) 2y + 4 D.) - 2y + 4

Use a related equation that has the variable on one side. Then simplify the other side. p + 6 = 18 a. p = 3 b. p = 12 c. p = 24 d. p = 108

What is 6 times - 5 times 3

0.2 (10-5) = 5c-16 what is c?

The area of a parallelogram that has a base of 30 feet and a height of 20 feet.

One number is 9 times the other. Find the two numbers if their sum less 10 equals 50

At what time would the velocity reach 60.00 km/hr? It will never travel at 60.00 km/hr. It travels at a different constant rate. 10.00 seconds 100.00 seconds

What does this equal? 5x+4=7x+2

If f (x) = x2 - 1, and g (x) = x + 2, then g (f (x)) = [? ]x2+[ ]x + [ ]

What two numbers add to 5 and multiply to 4