The weight of the earth is 5.9736 x 10^24 kg. the weight of venus is 4.8685 x 10^24 kg. what is the combined weight of the earth and venus?

10.8421 x 10^26 kg
10.8421 x 10^23 kg
10.8421 x 10^25 kg
1.08421 x 10^25 kg

also explain your answer so i know how to figure this out in the future, !

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

Whats is the value of the variables ?

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text