PLEASE HELP Find the upper and lower bounds of a
+
b, where a = 4 and b = 2 (both have been rounded to the nearest integer).

Arandom sample of 100 children were asked whether they prefer apples or oranges. the results are shown in the table. apples oranges boys 27 18 girls 32 23 select a word or phrase from the drop-down menus to correctly complete the statements describing the association. of the boys surveyed, more . of the girls surveyed, more . there appear to be an association between gender and fruit preference.

What is the standard form of -5x^2+2x^4-11+x^3+3x

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.