Can 12m , 16m ,20m firm a right angle

Yes, it is a right triangle

Step-by-step explanation:

12^2+16^2=20^2   if a right triangle

144+256=400

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

there would be 162.15 calories in this cereal.

step-by-step explanation: