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collect x terms together i.e.) 2x - X = 1x and then collect y terms together i.e) 6y + 2y = 8y add your two answers together to get: x + 8y

Answer x +8y

S- specific M- Measurable A- Achievable R- Realistic T- Time bound

The phrase "a and b are roots of 2x^2+6x+7" is just a way of saying that x=a and x=b solve the equation 2x^2+6x+7=0. Check out that by diving by 2 on both sides of this equation we get that that...

The key to analysing a primary source is remembering what it is; it's a source from which we want to get useful historical evidence. But, if it is a primary source, then we must remember that it is comple...

The diaphragm contacts and moves down. The intercostal muscles between the ribs contract. This causes the ribcage and the sternum to move up and out. The thorax increases in width from back to front. This...