What is the difference between the "Substitution method" and the "linear combination method"?

What is 8,732,000 + 17,826,231

How do you solve 1.05x2.63

Which inequality represents this sentence? Seven times four is greater than or equal to eight times three. Question 7 options: 7 • 4 ≥ 8 • 3 7 • 4 ≤ 8 • 3 7 • 4 < 8 • 3 7 • 4 > 8 • 3

782+682+1,359by first rounding each number to the nearest hundred

Y more than 4 is - 36

What is a sign of a rational number?

What is 1830 military time transferred into traditional time

Luisa has 24 students in her class. 3/4 of the students speak spanish as well as english. How many students speak both spanish and english?

Lea made two candles in the shape of right rectangular prisms. The first candle is 15 cm high, 8 cm long, and 8 cm wide. The second candle is 5 cm taller but has the same length and width.

Let ABCD and EFGH be two quadriaterals such that ABCD ~ EFGH If AB = 15cm, EF = 18cm and the permeter of ABCD is 40cm, find the permeter of EFGH.