Given the system of equations, what is the solution?

2x + y = - 1

x - y = - 5

A. { (-8, - 3) }

B. { (2, 7) }

C. { (-2, 3) }

Which function will start at the y-axis at (0,7) 1. y=7x 2. y=x+7 3. y=x-7 4. y=x+5

Ok so I need to evaluate three questions without a calculator a.) log2 32 b.) log7 1 c.) log5 625 I did them but can someone check my work (I didn't put down answers yet) ? I put: a.) log2 32 = log32/log2 = ? b.) log7 1 = log1/log7 = ? c.

What is the surface area of the square pyramid shown, if the base has a side length of 8 inches and = 15 inches? A. 184 B. 256 C. 304 D. 368

85% in fraction in simploest form

Jerry and Carlos each have $1,000 and are trying to increase their savings. Jerry will keep his money at home and add $50 per month from his part-time job.

Luigi is an urban and planner. As an independent contractor, he charges a $140 fee plus $25 per hour for each contract with the city.

To how many significant figures should each answer be rounded? a) (6.62610^-34 Js) (2.997910^8 m/s) / 4.07010^-7 m = 4.880610663391*10^-19 J (unrounded) b) (6.02210^23 atoms/mol) (0.589 g) / 20.18 g/mol = 1.75810^22 atoms (unrounded)

What does it mean when it says to estimate the sum or difference? In a math problem: 6/7+3/8 and 4/5+2 7/8.

60 minutes is 20% of what number

Negative 3/4 plus negative 3/8