How would u solve x^2 + 2x = 3

Is the sequence 5,9,15, ... an arthmetric sequence explain

What is half of 365?

A red ball has a mass that is less then 1 killogram. A blue ball has 1 killogram. is the mass of blue ball more then or less then the mass of the red ball?

Ellie made a scale drawing of the school assembly hall using a scale of 1 cm to 3 ft. However, she found the drawing was too small to work with - it was only 20 cm long and 18 cm wide. If Ellie changes the scale to 1 cm to 2 ft.

Tony bowled 135 and 145 in his first two games. write and solve a compound inequality to find the possible values for a third game that would give him an average between 120 and 130, inclusive. a.) 120 < = 135 + 145+n/3 <=145; 120 < = n < = 140 b.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.