Which equation is an example of a synthesis reaction?

A. CaO + CO2 → CaCO3

B. 2NaCl → 2Na + Cl2

C. HCl + NaOH → NaCl + H2O

D. MgI2 + Cl2 → MgCl2 + I2

A variable expression for a number q decreased by 7

260 weeks equal how many years

What is the GCF for 70 and 90

George is a fast worker. He can mop 47 ft2 in 1 minute. The court is shaped like a rectangle. It is 94 ft long by 50 ft wide. How many minutes will it take George to mop the gym floor?

A man stands on a balcony 140 feet up and sees a bus stop at a 75 degree angle How far is the bus stop to the man in nearest feet

the flagpole cast an 8 foot shadow, as shown in the table. At the same time the oak tree cast a 12 foot shadow. How tall is the oak tree? And the flagpole height is 20 ft

There is three fourths of a box of cereal remind you eat 2/5 of the remaining cereal what fraction of the box do you eat

Penelope wants to buy two necklaces, one for his sister and one for herself. The necklace for her sister cost $42.00, and the necklace for herself costs $28.00. The sales tax on the purchases is 8%.

Which of the following expressions is true? A. 43 • 45 < 412 B. 52 • 53 > 55 C. 32 • 34 = 32 D. 52 • 54 = 58 I think that it's C, but I want to make sure.

7. What are the factors of x2 - x - 30? a. (x + 1) (x - 30) b. (x + 5) (x-6) c. (x + 6) (x - 5) d. (x - 1) (x + 30)