I’m here what do u need help with
Answer:
pythagoras theorem

so we have a and b
12 and 9
so ... 
take the square root to find c, since 225 is c^2
so √225 = c = 15
Answer:
slope intercept form:
y = -4/3x - 5
Step-by-step explanation:
hope this helps! :)
Answer:
See below
Step-by-step explanation:
<em>Compatible numbers</em> are numbers that are easy to use in mental arithmetic.
Martin gave away ⅖ of 7 lb of grapes, so the amount he gave away was
⅖ × 7 lb
⅖ is close to ²/₄ (½), and it is easy to take half of something mentally.
Half of 7 is about 3, so Martin gave away about 3 lb of grapes (the exact answer is 2.8 lb).