Answer:
Step-by-step explanation:
Use Pythagorean theorem
Hypotenuse² = base² + altitude²
= 9² + 10²
= 81 + 100
= 181
hypotenuse = √181
D;the tropical ostrich runs at a speed of about 36 miles per hour
3+4x
7-12
2x+14=18
four times a number
four times a number is added to seven