The body of a 150 lb person contains 2.3 times 10 to the negative 4 power lb of copper. how much copper is contained in the bodies of 1200 such people? write in standard form and scientific notation.

Which graph represents the parent function of y=(x+2)(x-2)

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point