The equation sec^2x-1=tan^2x is an identity true or false

Can I write 326,766,748 in standard form

Ella has 0.5 lbs of sugar. How much water should she add to make the following concentrations? Tell Ella how much syrup she will have in each case. 50% syrup?

Voltage is directly proportional to current. A watch uses a 5-volt battery and has an electric current of 2 amps. What is the constant of proportionality? 0.4 ohms 2 ohms 2.5 ohms 10 ohms

A painter needs a piece of glass to protect a painting. He is also putting wooden strips around the perimeter to make a frame for the painting. The painting is 85 centimeters by 62 centimeters.

What is the final sum of 3 (4+9) = ?

What is 8x over 3 minus X over 2 equals - 13?

Find the present values of these ordinary annuities. discounting occurs once a year. a. $600 per year for 12 years at 8%

2km 303m - 556m equal to

Which amount is a reasonable tip for an airport skycap? A. $2 total B. $2 per bag C. $5 per bag

A coin has two sides: heads and tails. A die has six sides, numbered 1 through 6. If you flip the coin and roll the die, what is the probability that you flip "heads" and roll a number less than 3?