In your class, you have scores of 78,86,92 and 94 on the first four of five test. To get a grade of a B, the average of the first five tests scores must be greater than or equal to 80 or less than 90

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.