Eric escalaba una gran roca. En cierto momento, se detuvo y descendió 2\dfrac{1}{2}2 2 1 ​ 2, start fraction, 1, divided by, 2, end fraction metros. Después ascendió 6\dfrac{3}{4}6 4 3 ​ 6, start fraction, 3, divided by, 4, end fraction metros. Eric se preguntaba cuál había sido su cambio en elevación después de estos dos movimientos.

Me find the missing dimension of a triangle height: 7 in., area: 21^2

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4