How to solve this equation by elimination?

2x+5y=4 and 7x+y=-19

Fernando factored 4579 as (hy) (56?). Sum Salma factored 457 as (34) (154"). oring Which of them factored 45y correctly? Choose 1 answer: A. Only Fernando B. only Salma C. Both Fernando and Salma coring D. Neither Fernando nor Salma

A scientist had 3/4 of a bottle of a solution. She used 1/6 of the solution in a experiment. How much of the bottle didi she use?

The box-and-whisker plots show data for the test scores of four groups of students in the same class. which plot represents a group with a median grade below 65?

All equations that are the same solutions as 3x-12=24

What is the area of a rectangle with length of 1.13 inches and a height of 2.1 inches

Thaddeus traded $3750 for British pounds, immediately changed his mind, and then promptly traded his British pounds back into dollars. Which of these amounts is he most likely to have?

If the median of five consecutive even integers is 20, what is the value of the smallest integer?

4,13,31,67 ___ What's the rule?

How many odd numbers are greater than 4 but less than 25?

4+12+36+108 + ... + 2916