5x+2y=9

3x-7y=-11

Qual o valor do X e do Y?

Ruth makes 35 working 5 hours at her job. How much will she make during an 8 hour workday

What is 60/8 as a mixed number

The number 2^1993 + 3^1993 is a multiple of 5. What is the units digit of the quotient (2^1993 + 3^1993) / 5?

What is the value of the discriminant of 0=-2x^2+6x+13

Which of the following is the ratio between the number of successes and the number of possible outcomes of an event?

A diderenca do carro azul 1/2e so verde 1/4

Convert the following measurements. 13 miles to yard

The coordinates A (0, 0), B (0, 3), C (3, 3) and D (3, 0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about the y-axis?

29. New grass seeds grow rapidly. A grass seed has grown to 0.3 millimeters tall. Tomorrow it will be 0.9 millimeters tall, the next day it will be 1.5 millimeters tall, and on the next day it will be 2.1 millimeters tall.

What is an equation for the scenario the entrance fee to an amusement park is $9 plus $1.50 for each ride