X^2+10x+c what the value of c?

Serena simplify the expression 3 (2x - 6 - x + 1) ^2 - 2 + 4x in step 1 she simplified within the parentheses in step 2 she expanded the exponent witch is a possible next step

Verify: (sinx+cosx) ^2=1+sin (2x)

What is a number greater than 25 that has more factors than the number 21

Relationship A has a lesser rate than Relationship B. The table represents Relationship B. Which equation could represent Relationship A? Choose all answers that are correct. Hours worked: 2 4 5 8 Amount paid ($) : 36.57 391.25 146 A. B. C. D.

Product of two negitve numbers and a positive number

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.