Cho tam giác ABC vuông tại A, AH vuông BC. Biết BH=3,6cm; CH=6,4 cm. Tính chu vi tam giác ABC

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Explain how you can use the associative property to evaluate (7x50)x4.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.