Round each number to its highest place value to estimate the product or quotient.23 ? 58
A. 1200
B. 3000
C. 1800
D. 1000
Answer: A
Mathematics
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Simplify the numerical expression.4(4.6) - 7(2.6) - 2(-2.9)
A. –74.98 B. 30.76 C. –5.6 D. 5.6 E. 6
Mathematics
Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = 
, y = 2t + 3; 0 ? t ? 4
A. y = -3x2 + 17; 0 ? x ? 2 B. y = 2x2 + 3; 0 ? x ? 2 C. y = -3x + 17; 0 ? x ? 2 D. y = 3x2 + 2; -1 ? x ? 2
Mathematics
Divide and simplify.
÷ 
A. m - 3
B. m + 3
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
In the proportion 
= 
, x ? 16 and 2 ? 7 are called 
.
A. proportion B. equal C. not equal D. cross products
Mathematics