Solve using the elimination method

0.3x-0.2y=4

0.2x+0.5y=-21/23

What angle measure is complimentary to a 37 degree angle

The decimal. 087 can be written as A) 8.7 10 B) 87 10,000 C) 87 1,000 D) 87 100

Ok i got 2 questions 1.1 : 38.72 and 0.6 : 0.1518

Solve the equation. (enter your answers as a comma-separated list.) 2^-125x = (0.5) ^x - 5

A grocery store sells 12 bottles of water for $13.80. A convenience store sells ten bottles of water for $11.80. Which store has the better buy

Erin has two pieces of cord, one 12 feet long and the other 18 feet long. She wants to cut them up to produce many pieces of cord that are all of the same length, with no cord left over.

A rental car costs $36 for one day plus an additional $0.42 per mile. What is the cost of renting a car for one day and driving it 78 miles?

Identify the type of data (qualitative/quantitative) and the level of measurement for the data described below. Explain your choice.

A 5 ounce can of tuna cost $.90 a 12 ounce can of tuna cost $2.40 which is the better bye

Solve equation 2 (x+4) = - 5x + 1 show each step