Find the area of a
triangle with a base of
28 cm and a height of
20 cm.

280

Step-by-step explanation:

The formula for the area of a triangle is A=h*b÷2 so, we multiply 28*20 = 560, then we divide 560 ÷ 2 = 280, therefore, 280 is our answer

Hope I helped :)

a and c

step-by-step explanation:

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!