The length, a, of a pencil is 15.3 cm, correct to 1 decimal place. Complete the error interval for the length of the pencil.

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation