Cho hình chữ nhật ABCD chứng minh AC=BD và AC cắt BC tại trung điểm mỗi đường

Josephine has a great garden with and area of 2x2 + x - 6 square feet

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?