A) 10 - (-2) = b) -5- (-9) =
c) (-6.7) –0,4 =
d) (-5.7) -(+46)
e) (+7.6) - (+84.5)
f) (+28.5) -(-59)
a) (-97) - (+88)
b) -4.7- (+5.3) =
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The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2