What is the sum of -18 (-19)?

Who invented pedometer? The ratios in an equivalent ratio table are 312 416 and 520 If the first number in the ratio is 10 what is the second number? What is this S equals -10t2 plus vt plus k? 48.25 percent in simplest form? How do you figure out fair shares for 3 people and 4 people? What is 723 divided by 7 with the remainder? How much greater is the area of a square with a side length of 10in than a square with a side length of 8in? How do you find the divisibility rule for 5? What does fifty million look like in numbers? What is the LCM and gcf of 18 and 360? What is the greatest common multiple of 18 and 42? What shape that has a 1000000 sides called? Are 81 87 relatively prime? Is la swap a good sixth form? What is a fact of piece of information? How many 12 x 12 tiles to cover 394.80 square feet? How many gallons of water per foot in 1.5 inch pipe? The oil industry first thrived in the late 1880s by producing? Is the gcf of two even numbers even? How much miles are in 120 km?