Use addition or substitution to find the value of x for this set of equations 12x-5y=30 y=2x-6

A local restaurant caters buffets for large parties in its banquet room. The cost of a buffet is $1,000 before tax and tip. The meal is subject to a 7% food tax. Party hosts are required to leave an 18% tip, based on the pre-tax amount.

Which value is equivalent to (8•4•2/8•7) ^2 times (8^0/7^-3) ^3 time 7^-9

A student is attempting to find a formula for the sequence below. Which statement best applies to the sample mathematical work? Given the sequence 3, - 9, 27, ..., I first find the ratio of the terms.

The formula can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 25 feet. Round your answer to the nearest tenth.

Is - 5.5 a negative integer?

Seven three squared plus ten

Which exponential equation is equivalent to the logarithmic equation below? c = ln 2

What is £390 shared as 5:8 ratio

Types 120 words in 100second. How many seconds does it take to type 258

Write a ratio for the following description: Kaleel made three times as many baskets as john during basketball practice.