Answer:
Isosceles and scalene triangles can both be obtuse.
Answer:
Cosa/2-tana+sina
Step-by-step explanation:
Cosatana
Answer: −x2−3x+4y+4z+5
Step-by-step explanation: terms are (positive or negative), a single variable ( a letter ), several variables multiplied but never added or subtracted.
Answer:
53 and 41
Step-by-step explanation:
Find the unit rate:
4.5 miles 2
------------- * ------- = 9 mph
0.5 hour 2