In each case, arrange the given integers in descending order: a. -5,-3, 8, 15, 0, -2
b. 12, 23, -11,0,7,6
c. -1, -21, -31, 12,5, 11
d. 56,-35, 98,-53, 4,0

3. Write the following in increasing order:
a. 21,-8,-26,85,33,-333,-210,0,2011
b. -8,0,-5,5,4,-1
c. 3,-3,4,-7,0,-6,2
d. -1, -7,8,-3,0,3,17
e. 5,19,-10, -7,6,-6

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

How can you construct perpendicular lines and prove theorems about perpendicular lines