Answer:
-6x+4
Step-by-step explanation:
Combine like terms
3x-7x+5x-7x=-6x
-9+2+11=4
Answer:
90
Step-by-step explanation:
13.5/.15
Answer:
Step-by-step explanation:
h(t)=160t-16t^2=-16(t²-10t+25-25)
=-16(t-5)²+400
max. height reached=400 ft
yes because 2*3 equals 6 and 7*3 equals 21, which gives you equal proportions
Step-by-step explanation:
Blue portion is a rectangle: