Calculate (9.9x10^8) + (5.5x10^6) give the answer in standard form and show working out

Can you tell which of the following triangles are right and explain your answer? The numbers represent the lengths of the sides: 9, 12, 15

How many unique triangles can be drawn with the set of three measurements shown below? 132 angle 3 inch side length 3 inch side length A. no triangles B. exactly one triangles C. exactly two triangles D. more than two triangles

A recipe for zucchini muffins states that it yields 12 muffins, with 250 calories per muffin. You instead decide to make mini-muffins, and the recipe yields 20 muffins.

How do i factor 12y+15y^2

A total of 900 tickets were sold for a game for a total of $1,150. if adult tickets sold for $2.00 and children's tickets sold for $1.00, how many of each kind of ticket were sold?

Adriana uses 1 1/4 cups of pretzels for every 1/2 cup of raisins when making a snack mix. What is the number of cups of pretzels Adriana uses for 1 cup?

What is a sum for 4/3.

The average adult working male spends approximately $60 per week on a moderate cost healthy diet plan. The average cost for 3 fast food meals per day is approximately $20. On average, what can you save per week with the healthy diet plan?

If the probability of a chance event is 0.82 it is more likely to happen than which of the following probabilities of another chance event? A) 0.9 B) 0.85 C) 0.8

Which of the following are mathematical sentences? A. 10r B. 6r C. 61 D. x=12 E. 9g=45 F. r+9=6